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CityhallFresno
Backflow preventers are installed in the irrigation system to protect our drinking water, save lives and prevent illness.
 Backflow Prevention Assemblies
Protect Against Contamination
by Terry Nelson

 

 If you are involved in the design, installation or maintenance of irrigation systems, you need to become familiar with backflow preventers and the role they play in keeping our drinking water safe. They are more than just fittings on a system of piping to deliver water. Backflow preventers are installed in the irrigation system to protect our drinking water, save lives and prevent illness. If you understand what they do and why they are needed, you will be able to ensure that the projects you are involved with comply with local codes. A good understanding of backflow preventers will also help to reduce the risk of litigation against you from creating a cross connection and putting public health at risk.

You may think that our water supply is not threatened by water used in irrigation systems. But, as reported in the October 31, 1997, issue of the Los Angeles Times, backflow incidents involving irrigation systems do happen. This article reported, "Drinking water in the system serving two schools and as many as 1,600 homes in Calabasas hillside neighborhoods was contaminated with treated sewage water intended for irrigation after a plumber working on a landscaping job mistakenly crossed two pipes." Several people became ill due to this cross connection and residents were warned not to drink from their faucets or from local water vending machines until the fresh water lines were flushed and tested. The plumber involved was exposed to potential litigation including the cost of the clean-up.

This article will provide you with an introduction to cross connection and backflow prevention to help keep you within the law and outside the courtroom.

The Safe Drinking Water Act (SWDA) of 1974 established a national program that would ensure the quality of America's drinking water. It included a Federal mandate that the local water district provide safe drinking water and authorized the Environmental Protection Agency (EPA) to set standards for contaminants in public water systems.

State and local codes have now been developed to identify the requirements for ensuring that the water distribution system provides safe water. Local codes vary, but most cities have established guidelines on the type of backflow preventers to install to help protect the potable water supply. You should become familiar with your local codes as they relate to irrigation systems.

First, let's review some basic terms. Backflow preventers are specially-designed valves used to protect our potable (drinking) water supply from pollutants or contaminants due to backflow from cross connections.

Backflow can be defined as the unwanted reverse flow of any liquid, solid or gas in a piping system. In an irrigation application, this means that water within the irrigation system may find its way back into the potable water system during a backflow incident.

Cross connections are the link or channel connecting a source of pollution with a potable water supply. Therefore, the irrigation piping system may create a cross connection between the potential contaminants and the potable water supply.

Pollutant is a substance that would affect the color or odor of the water, but not pose a health hazard. Applications where pollutants could enter the potable water supply are considered non-health hazard applications.

Contaminant is a substance that would cause illness or death if ingested, and therefore, is considered a health hazard. For example, water in the irrigation system could come in contact with fertilizers used on the lawn, waste from animals, pesticides used in the surrounding landscape, or muddy water. Contaminated water, which collects around a submerged sprinkler head or chemicals in a chemigation system, could be drawn into the irrigation system. Therefore, most codes consider irrigation systems health hazard applications. The appropriate type of backflow preventer should be installed to ensure these potential contaminants do not find their way back into the potable water supply.

There are two basic forms of backflow: backsiphonage and backpressure. In backsiphonage, the water from the irrigation system is siphoned or "sucked" into the potable water supply. This can be caused by negative pressure or loss of pressure. An example of this might be a hand-held pesticide sprayer connected to a garden hose. If negative pressure occurs while the sprayer is connected to the garden hose, such as a break in the main line water supply, the contents of the pesticide sprayer could be siphoned out of the container. The hazardous chemicals could then be carried down the line into the potable water supply and cause serious illness or death. If the garden hose had a backflow preventer (hose bib type of vacuum breaker in this application) installed at the point of use, the contaminant would be prevented from entering the main water supply.

Backpressure is another common way contaminants enter the potable water supply. This occurs when the pressure in the system is greater than the supply pressure. In an irrigation system this can occur when an auxiliary pump, which is intended to boost pressure in the irrigation system, has greater pressure than the city water supply. Then the booster pump can "push" the potentially contaminated water back into the potable water supply. However, if the proper backflow preventer is installed at the point where the irrigation system and the city water supply meet, our drinking water will be protected.

There are several different types of backflow preventers available on the market today. Some of the new designs have superior flow characteristics, shorter lay lengths, come in multiple body styles and are easier to service. Based on the application, system layout and type of hazard, local codes may vary on which type of backflow preventer should be installed for a particular application. Consult your local codes or authority having jurisdiction to determine which devices are approved in your area for specific applications.

 Park_scn

 

There are several different types of backflow preventers on the market today

 


Several organizations and agencies have established guidelines for the design, manufacture, and performance of backflow preventers. Some organizations and agencies involved with the approval and/or certification of devices include the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California, the American Society of Sanitary Engineers, the American Water Works Association and the Canadian Standards Association.

The following is an overview of the types of backflow preventers that are commonly used in irrigation systems.

Atmospheric Vacuum Breaker: The Atmospheric Vacuum Breaker (AVB) is a simple device consisting of a float, which is free to travel on a shaft and seal against an air inlet. The poppet seals the air inlet when the unit is pressurized. When backsiphonage occurs, the poppet drops to allow air to enter the downstream piping and break the siphon. An AVB protects against backsiphonage but not backpressure. There are many restrictions to the installation of the AVB. The AVB must be installed on the discharge side of the last shut-off valve. Code requirements vary as to the height the AVB must be installed, but a minimum of six inches is usually required. The AVB must be installed with the air inlet in a level position. No valve of any type may be installed on the discharge side of an AVB. Because of the installation restrictions, most codes consider the AVB for use in non-health hazard applications. It is not testable but may be serviced in-line if installed with shut-offs to isolate the valve.

765v2Pressure Vacuum Breaker: The Pressure Vacuum Breaker (PVB) consists of a single spring-loaded check valve and a single air relief valve that opens to break the siphon when pressure drops to one psi. Because the assembly has a spring on top of the float, it can
be used under continuous pressure. However, it cannot be used under backpressure applications, since the valve will open under flow in either direction. To prevent backpressure on the valve, it must be installed at least 12 inches above the highest piping or outlet downstream of the assembly. Some local codes allow the installation of the PVB in health-hazard applications. The PVB is testable and serviceable in line.

 

Double Check: A double check valve incorporates two spring-loaded check assemblies. In a non-flow condition, the check valves hold one psi minimum in the direction of flow. In a flow condition, the check valves open but will close should reverse flow occur. Double checks protect against backsiphonage and backpressure. However, if both checks were to foul at the same time, backflow through the valve could occur. Therefore, a double check is considered a non-health hazard device and may not be approved for irrigation applications under some local codes. The double check is testable and serviceable in-line.

 

860Reduced Pressure Assembly: A Reduced Pressure Assembly (RP) contains two spring-loaded check assemblies with a hydraulically balanced differential relief valve. Should either of the checks become fouled, the hydraulic balance will be disturbed and the relief valve will open, discharging the potentially contaminated water to the atmosphere. RPs are used in health-hazard applications where backpressure and backsiphonage may occur. They are testable and serviceable in-line.

Other types of backflow prevention assemblies are available, but are not typically used in irrigation systems. In some states you must be a certified plumber to install, service and/or test backflow preventers. Other states allow installation by an irrigation contractor, but must be tested by a certified tester. Consult local codes or the authority having jurisdiction in your area to determine what is required. If you are interested in becoming a certified tester or trained in the maintenance of these valves, contact your local junior college and local plumbers training programs to find out what programs are offered in your area.

The quality of our potable water supply is of ever growing concern. Regulations to protect our water are becoming stronger. It is important to understand that backflow preventers are designed to protect our potable water supply from pollutants and contaminants. To reduce your exposure to liability and potential damage to our potable water supply, you should become aware of the requirements for backflow prevention protection in your area. Local codes identify which device is appropriate for specific installations.  

Editor's note: Terry Nelson is marketing associate of CMB Industries, Inc., manufacturers of Febco backflow preventers.

 

Backflow Prevention Devices by Brand

Febco

Conbraco

Watts

 
 
 

intro.jpg (57271 bytes)


Backflow

The term backflow means any unwanted flow of used or non-potable water or substance from any domestic, industrial or institutional piping system into the pure, potable water distribution system. The direction of flow under these conditions is in the reverse direction from that intended by the system and normally assumed by the owner of the system. Backflow may be caused by numerous specific conditions; but, basically the reverse pressure gradient may be due to either a loss of pressure in the supply main called backsiphonage, or by the flow from a customer's pressurized system through an unprotected cross-connection, which is called backpressure. Thus the term backflow covers both a backsiphonage condition and a backpressure condition. A reversal of flow in a distribution main--or in the customer's system--can be created by any change of system pressure wherein the pressure at the supply point becomes lower than the pressure at the point of use. When this happens in an unprotected situation the water at the point of use will be siphoned back into the system; thus, potentially polluting or contaminating the remainder of the customer's system. It is also possible that the contaminated or polluted water could continue to backflow into the public distribution system. The point at which it is possible for a non-potable substance to come in contact with the potable drinking water system is called a cross-connection. To prevent backflow from occurring at the point of a cross-connection a backflow prevention assembly must be installed. However, it is important the backflow prevention assembly match the particular hydraulic conditions at that location and is suitable to protect against the degree of hazard present. The particular type of backflow preventer appropriate for specific needs will be discussed later. First, it is necessary to understand some basic hydraulics which govern the principles of backflow and cross-connection control.


Pressure

Pure water at sea level weighs 62.4 pounds per cubic foot. Thus, if the base of a cubic foot is divided into 144 one-inch squares, the weight of the column of water one foot high covering a square inch area would be 0.433 pounds. Or 0.433 pounds per square inch of pressure exists at the base of this cubic foot of water. Since, pressure is measured in pounds per square inch, the area covered at the base of a water column is not relative to the pressure.

psi.27.75.jpg (44217 bytes)

As a rule of thumb, it is said that a column of water one foot high creates a pressure of approximately 1/2 pound per square inch, or psi.

Another term used for measuring pressure aside from psi is inches of mercury, or "Hg. This is because mercury manometers are often used to measure pressure differentials. However, mercury weighs 13.5 times the weight of water. Therefore, one "Hg is approximately 1/2 psi.


aspir.jpg (48749 bytes)

Backsiphonage

Technically, if one siphons a fluid out of a container or a pipeline, one causes that fluid to flow up over the rim of the container or top of the pipe and then down into a lower elevation through a piece of tubing or, in this case a piece of pipe that is part of the distribution system. In the vernacular, the unwanted fluid is "sucked" into the potable water line. It is important to understand that it is not necessary for the system main to be under a true vacuum (i.e., zero psia) for backsiphonage to occur. All that is required is a negative difference in pressure and a piece of tubing or pipe that is completely full of fluid.

One of the causes of backsiphonage is a situation that arises when a temporary shutdown of a water main--or an in-plant pipe--becomes necessary for repairs. If the repair is at some point other than that of the highest point in the system, then there will be a potential for a reverse flow if one of the lower points of service is opened while the main valve is closed. Under this condition the water in the internal piping system will drain to the open valve or point of water use, siphoning anything it may be in contact with at the time.


Backpressure

Due to the length of a main distribution pipe, the several pipe fittings and the normal elevation of the service above the distribution main, the pressure gradient within a service decreases as the point of discharge becomes further and further from the main. Consequently, in many processing plants or high-rise buildings there is need to use a booster pump; or, in many instances, a recirculating pump. The use of an in-plant pump can easily increase the in-plant pressure above that of the supply main. Thus, if there is any pathway whereby this pressurized industrial water may enter the potable distribution system, there will be a hazard as the result of this backpressure.


Types of Cross-Connection

A cross-connection is any actual or potential connection or structural arrangement between a public or private potable water system and any other source or system through which it is possible to introduce into any part of the potable system any used water, industrial fluids, gas, or substance other than the intended potable water with which the potable system is supplied. By-pass arrangements, jumper connections, removable sections, swivel or change-over arrangements or other "temporary" arrangements through which backflow could occur are considered to be cross-connections

General progress in the elimination of cross-connections has been very slow. It required over a score of years for various water, health and fire insurance representatives to understand that no direct connection should be made between the potable water supply system and polluted auxiliary water supplies. It was not until the Chicago amoebic dysentery outbreak of 1933 that a general move toward correction of plumbing hazards was given impetus. And, since that time the recognition of a backflow prevention program and its value has been very slow, until about 1970.

direct.jpg (51318 bytes)

There are two basic types of cross-connections: a direct cross-connection and an indirect cross-connection. The difference between these two types of cross-connections is very simple. A direct cross-connection is subject to backpressure (as shown above); an indirect cross-connection is not subject to backpressure. An example of a direct cross-connection would be the make-up water line feeding a recirculating system. An over-the-rim inlet used to fill an open receiving vessel would be an example of an indirect cross-connection. Backpressure could not be introduced into the supply line with this type of connection.


Degree of Hazard

The type of backflow preventer used to prevent backflow from occurring at the point of a cross-connection depends on the type of substance which may flow into the potable water supply. A pollutant is considered to be any substance which would affect the colour or odor of the water, but would not pose a health hazard. This is also considered a non-health hazard. A substance is considered a health hazard if it causes illness or death if ingested. This health hazard is called a contaminant.

Sewage and radioactive materials are considered Lethal Hazards. This is because of the epidemic possibilities associated with sewage and the tremendous dangers associated with radioactive material.

Types of Backflow Preventers

There are five distinct types of piping or mechanical assemblies which are considered to be backflow prevention assemblies; but, it must be stressed that these are not all equally acceptable as protection against all types of hazards. The degree of hazard must be assessed along with they type of cross-connection present to determine which type of backflow prevention assembly is most suitable to the situation.


airgap.jpg (53117 bytes)

Air Gap

An Air Gap is a physical separation of the supply pipe by at least two pipe diameters (never less than one inch) vertically above the overflow rim of the receiving vessel. In this case line pressure is lost. Therefore, a booster pump is usually needed downstream, unless the flow of the water by gravity is sufficient for the water use. With an air gap there is no direct connection between the supply main and the equipment. An air gap may be used to protect against a contaminant or a pollutant, and will protect against both backsiphonage and backpressure. An air gap is the only acceptable means of protecting against lethal hazards.


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Atmospheric (non-pressure) Type Vacuum Breaker {AVB}

The AVB is always placed downstream from all shut-off valves. Its air inlet valve closes when the water flows in the normal direction. But, as water ceases to flow the air inlet valve opens, thus interrupting the possible backsiphonage effect. If piping or a hose is attached to this assembly and run to a point of higher elevation, the backpressure will keep the air inlet valve closed because of the pressure created by the elevation of water. Hence, it would not provide the intended protection. Therefore, this type of assembly must always be installed at least six (6) inches above all downstream piping and outlets. Additionally, this assembly may not have shut-off valves or obstructions downstream. A shut-off valve would keep the assembly under pressure and allow the air inlet valve (or float check) to seal against the air inlet port, thus causing the assembly to act as an elbow, not a backflow preventer. The AVB may not be under continuous pressure for this same reason. An AVB must not be used for more than twelve (12) out of any twenty-four (24) hour period. It may be used to protect against either a pollutant or a contaminant, but may only be used to protect against a backsiphonage condition.


pvb.jpg (46578 bytes)

Pressure Vacuum Breaker {PVB}

The PVB includes a check valve which is designed to close with the aid of a spring when flow stops. It also has an air inlet valve which is designed to open when the internal pressure is one psi above atmospheric pressure so that no non-potable liquid may be siphoned back into the potable water system. Being spring loaded it does not rely upon gravity as does the atmospheric vacuum breaker. This assembly includes resilient seated shut-off valves and testcocks. The PVB must be installed at least twelve (12) inches above all downstream piping and outlets. The PVB may be used to protect against a pollutant or contaminant, however, it may only be used to protect against backsiphonage. It is not acceptable protection against backpressure.


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Double Check Valve Assembly {DC}

The Double Check Valve Assembly consists of two internally loaded, independently operating check valves together with tightly closing resilient seated shut-off valves upstream and downstream of the check valves. Additionally, there are resilient seated testcocks for testing of the assembly. The DC may be used to protect against a pollutant only. However, this assembly is suitable for protection against either backsiphonage or backpressure.


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Reduced Pressure Principle Assembly {RP}

This assembly consists of two internally loaded independently operating check valves and a mechanically independent, hydraulically dependent relief valve located between the check valves. This relief valve is designed to maintain a zone of reduced pressure between the two check valves at all times. The RP also contains tightly closing, resilient seated shut-off valves upstream and downstream of the check valves along with resilient seated testcocks. This assembly is used for the protection of the potable water supply from either pollutants or contaminants and may be used to protect against either backsiphonage or backpressure.


dcda.jpg (51421 bytes)

Double Check Detector Assembly {DCDA}

The DCDA is composed of a line-sized double check valve assembly with a specific bypass meter and meter-sized double check valve assembly. The meter registers accurately for very low flow rates to detect any unauthorized use of water. This assembly is used when the protection of a double check valve assembly is required, yet where the added requirement of detecting any leakage or unauthorized use of water exists. Normally these assemblies are reserved for use on fire sprinkler lines.


Reduced Pressure Principle Detector Assembly {RPDA}

The RPDA is very similar to the double check detector assembly except that the RPDA is designed for situations requiring the protection of a reduced pressure principle assembly and detection of unauthorized use of water or leaks. As with the DCDA, the bypass meter must register accurately at low flows. This assembly is normally used on fire lines which may contain contaminants, such as anti-freeze additives or foamite.

chart.jpg (54652 bytes)

The chart above shows which type of assembly is acceptable for use under certain hydraulic conditions and degrees of hazard.

 



Foundation for Cross-Connection Control and Hydraulic Research
University of Southern California
Kaprielian Hall 200
Los Angeles, CA 90089-2531
(213) 740-2032
FAX: (213) 740-8399

1998 © University of Southern California

Backflow Prevention Devices by brand

Febco

Conbraco

Wilkins

 

 

Backflow Devices
Learn Which Backflow Preventer to Use
and Why to Use Them!

 

In most homes the landscape irrigation system and the potable water system are one and the same -- there is no separation. Here's where the danger comes in. Sprinkler lines lay in gardens and lawns that are often sprinkled with weed killer, pesticides, and other poisons. Irrigation systems occasionally draw water inward (backwards). This phenomenon is known as a siphon or backflow. Backflow can result in contaminated water at a tap inside the home. Is there any wonder why the building code requires that all outside irrigation lines have some sort of anti-siphon protection?

Backflow can be defined as the unwanted reverse flow of any liquid, solid or gas in a piping system.  In an irrigation application, this means that water within the irrigation system may find its way back into the potable (drinkable) water system during a backflow incident.

A backflow preventer is a device designed to prevent potable water from being contaminated with non-potable water in the event a cross-connection exists during a condition of backflow.

There are two main types of backflow: Back Pressure and Back Siphonage.

Back pressure is when pressure downstream of the device is greater than the pressure upstream. Water hammer is an example of backpressure.
Back siphonage occurs when a vacuum is created upstream and water gets literally sucked backwards. An open fire hydrant, or water main break can cause back siphonage. Not all backflow devices are created equal. 

 

Learn the Differences Between each Type of Backflow Preventer and when to Use Them
Great Graphics and Content!

Learn Why You Should Use
a Blackflow Preventer

intro.jpg (57271 bytes)

Back Flow Prevention Discussion

Foundation for Cross-Connection Control
and Hydraulic Research
University of Southern California

Backflow Prevention Assemblies Protect Against Contamination
by Terry Nelson

 

Backflow Preventers
These are a must in all sprinkler systems if you want to protect yourself from physical harm as well as the law. The backflow preventer prohibits the contamination of your personal water supply. And while the anti-siphon valve already has such a stabilizing mechanism built in, the Globe and Angle Valve are incomplete in such regards. Thus, if you have selected to install a Globe or Angle Valve, you must also choose one of the following backflow preventers.

 APAS Anti-Siphon Irrigation Valve
Atmospheric Vacuum Breaker
It is Sprinkler Warehouse's recommendation that you avoid this type of backflow device since it is extremely unreliable!
If you make this selection, be sure to buy one unit per control valve located on the landscape. They are the cheapest of backflow preventers, however, almost all city codes do not allow the use of this type backflow device for sprinkler systems.
If you have a lot of control valves, specifically 6 or more, it tends to cost you more in the long run, and a pressure vacuum breaker becomes the more practical choice. AVBs must be installed at least 6" above the highest sprinkler head in the zone that they operate.
Pressure Vacuum Breaker
Comparable in function to the AVB but only requires the installation of one breaker for the entire irrigation system. Accordingly, the number of control valves on your property is irrelevant. It should be mounted on the mainline leading to all control valves, 6" above the highest sprinkler head.
This is one of our Best Selling types of backflow devices.
Reduced Pressure Backflow Preventer
The best that money can buy, this preventer is almost always found in a commercial sprinkler system and can be a great compliment to a residential system as well. The device allows for the application of fertilizers or other chemicals into the irrigation system, a function that no other preventer performs. Used mostly in dangerous situations, it should be set up 12" above ground.
 

 

Double Check Backflow Preventer
This preventer allows for the flow of pure water that is not susceptible to contaminants in the air. Though this device does not allow for the application of chemicals into the irrigation system, it is cheaper in comparison to the RPBP. Typically, it is installed beneath the ground in a vault and sometimes in basements, a tactic that protects them from freezing.
This is one of our Best Selling types of backflow devices. It works great when installing the backflow device in a basement or below grade.

The Problem With Double Check
Though the preventer is built with two check valves, in the instance that dirt or other objects gets stuck in one valve, it is likely that the same will happen to the other valve at the same time. Thus, the two valves could fail at the same time, in turn causing the water supply to be contaminated by noxious substances.

Backflow Prevention Devices by Brand

Febco

Conbraco

Watts










 

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Sensors

Sensors
The ability to water only when necessary is the ultimate goal of efficient irrigation scheduling. Today's technology allows for installation of sensors which can measure soil moisture, rainfall totals and even shut systems down in freezing weather.

Rain Sensors
These units are mounted in a location exposed to normal rainfall, but outside the watering spray of the sprinkler system. There are different designs, but most have settings that allow some sort of measuring to take place. Rain will cause the system to remain off during or after an event if sufficient rainfall is measured. The settings can be adjusted so a light shower will not effect the system operation or eliminate a scheduled watering when rainfall is not sufficient to make up for a normal application.


Freeze Sensors

This type of sensor is very popular in commercial settings where ice on walkways or streets can cause liability. Freeze sensors have a place in the residential garden as well. Watering before or during heavy freezes can create problems with ice-laden shrubs and trees as well as creating the same liability concerns the commercial user experiences. The freeze sensor is mounted on an outside wall in a location most likely to experience freezing conditions. It will interrupt the signal to the control valves when temperatures fall below freezing. When conditions improve, the system will return to normal operation

 


 

How to Connect Your Sprinkler Head
to the Underground Pipe

 

There are a few different ways to connect a sprinkler head to the underground piping. You can use Hunter Pre-Made Swing Joints, you can make your own Swing Joints using Swing Pipe Fittings and Swing Pipe, or you can use Cut-Off Nipples. All three methods will result in the sprinkler head being connected to the pipe, however, swing joints result in the ability to quickly raise or lower the head if needed in the future. Once you understand the benefits of swing joints, you will never use a cut-off nipple again!

 

Hunter Pre-made Swing Joints: If you've experienced trouble installing sprinklers to correct finish grade because you can't find the right riser length...if your pipes are buried in shallow trenches and you want to retrofit to taller pop-up sprinklers...if you're having difficulty raising sprinklers buried under inches of built-up thatch...if you want to be sure when a sprinkler has heavy equipment rolling over the top it can easily be properly readjusted...then here's the perfect solution. Also, the Hunter Swing Joint is the simple way to adjust a hard-to-place sprinkler to its proper height and position in mere seconds. This versatile creation is available in two different versions - for new installations or for retrofits - and, with a simple twist of the wrist, either can install to virtually any position, making it the ideal option to add to sprays and rotors at any time. This is an innovative product you won't want to pass up!

One end of the swing joint screws into the bottom of the sprinkler head and the other end screws into the pipe fitting underground. The swing joint consists of a piece of flexible pipe with a swivel elbow on each end which allows the sprinkler head to be raised up or down and moved left or right to a perfect position and height. Therefore, it makes installing the sprinkler heads quick and easy, and in the perfect position. Moreover, it allows you to come back and quickly and easily raise or lower the head if the ground settles, you decide to add more mulch, or if a car or mower runs over it and moves it out of position. Since these Hunter Swing Joints are pre-made, installation of the  sprinkler heads is very quick and easy.

 

 

Swing Pipe Fittings and Pipe: This method of attaching the sprinkler head to the pipe results in a similar attachment as described above with Hunter Pre-Made Swing Joints, however, you need to manually put the swing joints together using the swing pipe and fittings. These swing joints do not have the swivel elbows on each end but do result in a lot of flexibility due to the flexible pipe used. The fittings are inserted into the ends of the flexible pipe.

 One end of the swing joint screws into the bottom of the sprinkler head and the other end screws into the pipe fitting underground. Allows the sprinkler head to be raised up or down and moved left or right to a perfect position and height. Therefore, it makes installing the sprinkler heads quick and easy, and in the perfect position. Moreover, it allows you to come back and quickly and easily raise or lower the head if the ground settles, you decide to add more mulch, or if a car or mower runs over it and moves it out of position.


PVC Swing Joints: This method of attaching the sprinkler head to the pipe results in a similar attachment as described above with Hunter Pre-Made Swing Joints, however, these PVC Swing Joints are only used on large rotors with a inlet of 3/4" or 1". Excellent for use under sprinkler heads anywhere high quality installation is required. Allows sprinkler height and angle to be adjusted, and protects under head piping against damage. O-ring seals provide leak-free joints, ideal for valve-in-head applications.

One end of the swing joint screws into the bottom of the sprinkler head and the other end screws into the pipe fitting underground. Allows the sprinkler head to be raised up or down and moved left or right to a perfect position and height. Therefore, it makes installing the sprinkler heads quick and easy, and in the perfect position. Moreover, it allows you to come back and quickly and easily raise or lower the head if the ground settles, you decide to add more mulch, or if a car or mower runs over it and moves it out of position. However, this is an expensive swing joint and is typically only used in commercial applications.

 

Cut-Off Nipples: This method is the oldest method of the three method described on this page. It requires you to connect the sprinkler head to the pipe using a non-flexible, straight piece of threaded nipple which you cut to the correct height. This Cut-Off Nipple is sometimes referred to as a riser. Made of durable poly plastic, these 6'' long nipples are handy because you can cut them off to the desired length. No need to purchase many different lengths. A great value because one nipple can provide 3 or more short ones. The flexible poly can act as a shock absorber if the head is jarred, preventing breaks in many cases. The drawback to using these cut-off nipples is that you have to measure and cut the nipple the right height and if you mess up you have to cut another one until you get it the right height. If you want to raise or lower the sprinkler head in the future, you will have to dig up the sprinkler head and remove the old nipple and cut another one the new height. However, these are less expensive than the swing joints.


 

To review irrigation and lawn sprinkler Swing Joints and Cut-Off Nipples
Click on a link below


Hunter Swing Joints

Swing Pipe Fittings

Swing Pipe

PVC Swing Joints

Cut-Off Nipples
 

 

 

 

Sprinkler Warehouse's
Buyer's Guides!
Sprinkler Heads
Sprinkler Head Type
The types of heads utilized on a specific project are determined by the dimensions of the area being covered, the water pressure available for operation, and a variety of other factors. Choose between a spray or rotor.

Spray Heads
Spray heads spray water in specific circular patterns and can be changed at your discretion. Spacing between sprinklers varies depending upon the specific nozzle that is installed in the head. To operate efficiently, units should rarely be spaced further than 15 ft apart and should be supplied with 20-30 PSI of water pressure. Ideal for smaller, fragmented, hard-to-reach areas, these heads discharge 2-3 times the water of a rotor
.
  Rotor
Rotor heads also disperse water in circular patterns. However, these are used to cover larger areas of un-interrupted space. Small rotors tend to cover radii of 15-52 feet and large rotors can be designed to cover radii of up to 100 feet. To operate efficiently, rotors need to be supplied with more water pressure than spray heads. The PSI level should approximately equal the space between each installed unit. There are two basic types of rotary heads, categorized by the mechanism that causes the sprinkler to rotate. These types are impact rotors and gear-driven rotors.
    Impact Rotors
These rotors move in a circular pattern and slowly water the entire area within that circle. Impact rotors are also available as part-circle sprinklers that can be used in corners or along walks or streets. The impact rotor is typically cheaper than a gear-driven rotor and may provide the most uniform coverage of all sprinklers. However, the largest problem with impact sprinklers is their high maintenance requirement. As an impact sprinkler is activated, it rises out of its assembly to approximately 4 inches above the turf. During the time the sprinkler is in operation, this open cavity in the sprinkler case becomes an open catch for all trash, mud, clippings, insects, and types of yard debris. This debris is washed into the mechanism during the normal operation of the head. Periodic maintenance is required to keep sprinkler canisters clean and to keep dirt and debris from causing damage to the mechanism.
    Gear Driven Rotors
With these sprinklers, water turns a small turbine (water wheel or fan) in the base of the unit, which drives a series of gears that cause the head to rotate. The gear drive mechanism is sealed from dirt and debris and operates without the irritating clatter of impact sprinklers. The gear driven design has dominated rotary sprinkler sales in the irrigation industry for some time, in both residential and commercial sites. Although the individual gear drive rotor unit is several times more costly than a spray head, its wider spacing capabilities means fewer heads are needed to cover a given area.

Sprinkler Head Design
Once you have chosen either a spray or a rotor, you must next determine what sprinkler style will best meet the needs of your irrigation area. Choose between either a pop-up or fixed design.

Pop-Up
This is the most common design selected by consumers. Installed below the ground, the sprinkler head remains out of sight while inactive. Accordingly, it will not corrupt or compromise the aesthetic beauty of your landscape. Furthermore, there wont be any pipes sticking out of the ground for you and your children to either destroy or trip over. Once the sprinkler system is turned on, a small portion of the head will emerge above the surface to disperse water to the irrigation area.
  Fixed (Shrub)
Installed above the ground on a riser, this sprinkler design should be utilized if you need to provide water to high-reaching plants. They are sometimes cheaper than pop-ups, but we do advise you that this is not the best selection for an area in the middle of the lawn if it can be avoided. Pop-Ups can usually be designed to perform similar functions and will mitigate the potential problems caused by shrubs (risers) as described in the above paragraph. If a shrub is indeed needed, we encourage you to install them in the corner areas of the landscape not usually walked through.
 

Technical Information

This section contains helpful information on various technical aspects of Sprinkler Systems.

Programming Your Controller
Determining How Much and How Often To Water
    Simple Method
    Evapotranspiration Method
Calculating Precipitation Rates
Water Audits

 

Landscape Drip Irrigation
Drip Irrigation Parts and Instructions for all of Your Needs


Already Know What Drip Irrigation Parts You Need? Click here

OR

Check Out Our Application-Specific Drip Irrigation Below

 

 

 

Narrow Planting Beds Next to a Structure

 

 

Larger Landscape Areas
Patio

 

 

Pots and Hanging Baskets
Slopes

 

 
Walls

 

 
Parking Lots

 

  Medians

 

 

 
Larger Landscape Areas
Solution
 Pressure Compensating Multi-Outlet Device on a PVC Lateral
Advantages
  • Up to 60% water savings
  • Durable installation in high maintenance areas
  • Targeted watering reduces weed growth and extends life of mulch
  • Native plant life helps reduce water usage
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XBT-10-6

1.0 GPH Multi-Outlet Manifold

1/2" Riser

Sch 80 Riser 1/2" MPT

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap
PVC Misc
PVC Laterals, Fittings, Glue

 


 

To-Do List

Description
Time (Approx.)
Trench, cut, and glue PVC laterals. 1 hr 20 min
Assemble Control Zone Kit and position in valve box 20 min
Connect Control Zone to water source and laterals 1 hr
Thread 1/2" riser into PVC and thread XBT-10-6 onto riser. 5 min / Assembly
Connect 1/4" lines to manifold outlets and run to sparse plantings. 5 min / Line
Stake in place and add bug cap to end of lines 3 min / Stake
Flush system for 2 minutes. 2 min
Add planting material and mulch  

 

 


 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install Drip Emitters in XBD-80 with self-piercing barb end up.
Adjust water time as seasons / weather changes.
Leave 6" slack in 1/4" tubing in case of unexpected maintenance.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

  Untitled Document
Narrow Planting Beds
Narrow Planting Beds Next to a Structure
Combination Applications
Solution

 Landscape Dripline Grid with XB Drip Emitters

Advantages
  • Up to 60% water savings due to zero wind loss
  • No over spray damage to structures, fences, or windows
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • Landscape Dripline is easy to install for labor savings
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XFD-09-12-100

Landscape Dripline 0.9 gph @ 12" spacing

XCZ075PRF

3/4" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

NFT-LS6

Tie Down Stake
XB xx Pressure Compensating Drip Emitters (0.5 to 2.0 gph)
PT-025-050 1/4" Distribution Tubing
TS-025 w/Cap 1/4" Tubing Stake with Bug Cap


To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Cut lengths of Landscape Dripline to build grid in planting area. 10 min per 50 feet
Connect lengths of Lanscape Dripline to Easy Fit Fittings to create grid. 20 min per 50 feet
Connect Easy Fit Adapter to Easy Fit Tee for connection to Conrol Zone Kit 5 min
Staple Landscape Dripline grid in place and flush for 2 minutes. 5 min per 50 feet
Punch self-piercing barb inlet of XB Drip Emitters into Landscape Dripline, connect 1/4" tubing to barb outlet and run 1/4" tubing to larger plant. 8 min per Emitter
Stake tubing in place and atach bug cap on the end. 3 min per Stake
Flush system for approximately 2 minutes. 2 min
Install planting material  

 


Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install XB Drip Emitters with XM Tool for 50% faster installation.
Leave Landscape Dripline coil in the sun while preparing for installation.

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Narrow Planting Beds
Narrow Planting Beds Next to a Structure
Dense Applications
Solution

 Landscape Dripline Grid

Advantages
  • Up to 60% water savings
  • No over spray damage to structures, fences, or windows
  • No run off = reduced liability in high traffic areas
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XFD-09-12-100

Landscape Dripline 0.9 gph @ 12" spacing

XCZLF100PRF

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

NFT-LS6

Tie Down Stake

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source. 1 hr
Cut lengths of Landscape Dripline to build grid in planting area. 10 min per 50 feet
Connect lengths of Landscape Dripline to Easy Fit Fittings to create grid.
Add Air Relief Valve Kit to the zone.
25 min per 50 feet
Connect Easy Fit Adapter to Easy Fit Tee for connection to Conrol Zone Kit 5 min
Staple Landscape Dripline grid in place and flush for 2 minutes. 5 min per 50 feet
Install planting material.  

 

 


 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Narrow Planting Beds
Narrow Planting Beds Next to a Structure
Raised Bed Applications
Solution

   Xeri-Pops and Multi-Port Nozzles on a Poly Lateral

Advantages
  • Up to 50% water savings
  • Quick installation plus the benefits of low volume
  • Multi-port nozzles are easy to maintain and offer watering pattern capability
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XCZ075PRF

3/4" Xeri Control Zone Kit

XP-400

4" Xeri-Pops

MDCF Series

Easy Fit Compression Fittings / Adapters

MP5S-SQ

5" Multi-port Nozzle
XT-700-100 Xeri Black Stripe Poly Tubing
PT-025-050 1/4" Polyethylene Distribution Tubing
SPB 025 1/4" Self-Piercing Barb Connector


To-Do List

Description
Time (Approx.)
Trench beds (2 - 6 inches deep), cut and lay out poly lines 30 min per 50 ft
Punch SPB 025 connector into poly laterals. Attach 1/4" tubing to outlet barb and run 1/4" tubing to edge of bed. 10 min per 20 ft
Connect 1/4" tubing to inlet barb on Xeri-Pop. Dig small hole (4" wide x 12" deep) for Xeri-Pop. 20 min per 50 ft
Determine desired watering pattern and punch nozzle base (see instructions) to match planting area. 5 min per Nozzle
Grasp orange pull-ring on top of Xeri-Pop and pull stem up exposing thread area for nozzle. Drop 30-mesh screen into stem and thread nozzle onto stem. 3 min per Nozzle
Drop Xeri-Pop into hole so the cap is at grade. Fill in dirt around Xeri-Pop so the body is supported in the soil and exit port for nozzle is in the correct position. 10 min per Xeri-Pop
Flush system for approximately 2 minutes. 2 min
Install planting material  


Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install XB Drip Emitters with XM Tool for 50% faster installation.
Leave Landscape Dripline coil in the sun while preparing for installation.

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Parking Lot
 
Combination Applications
Solution
 Landscape Dripline Grid with XB Drip Emitters
Advantages
  • Up to 60% water savings
  • No overspray damage to vehicles
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • Landscape Dripline is easy to install for labor savings.
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

XB xx

Pressure Compensating Drip Emitters

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap

TDS-050

Tie Down Stake

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Connect Easy Fit Series for connection to Control Zone Kit 5 min / XCZ
Cut lengths of Landscape Dripline to build grid in planting area 10 min / 50'
Use MDCF Fittings to create LD grid. Add Air Relief Valve Kit and staple grid in place. Insert XB Emitters into LD for supplemental watering 1 hr 30 min
Connect 1/4" tubing to XB Emitters, run lines and stake next to larger plants. 8 min / Stake
Flush zones for 2 minutes. 2 min
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Parking Lot
Narrow Planting Bed / Divider
Dense Applications
Solution
 Landscape Dripline Grid with XB Drip Emitters
Advantages
  • Up to 60% water savings
  • Low maintenance results in labor savings
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • No run off = reduced liability in high traffic areas
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

TDS-050

Tie Down Stake

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Connect Easy Fit Adapter to Easy Fit Tree for connection to Control Zone Kit 5 min
Cut lengths of Landscape Dripline to build grid in planting area 10 min / 50'
Connect lengths of Landscape Dripline to Easy Fit Fittings to create grid. Add Air Relief Valve Kit to the zone. 25 min / 50'
Staple Landscape Dripline grid in place and flush for 2 minutes 5 min / 10'
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Parking Lot
Narrow Planting Bed / Divider
Sparse Applications
Solution

 Poly Flex Riser / Adapter with XB Drip Emitters
on a PVC Lateral

Advantages
  • Up to 60% water savings
  • Low maintenance results in labor savings
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • No run off = reduced liability in high traffic areas
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

PFR / FRA

Poly Flex Riser / Adapter

XB xx

Pressure Compensating Drip Emitters (0.5 to 2.0 gph) w/10 - 32 thread
PVC Misc
PVC Laterals, Fittings, Glue

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Connect Easy Fit Adapter to Easy Fit Tree for connection to Control Zone Kit 5 min
Cut lengths of Landscape Dripline to build grid in planting area 10 min / 50'
Connect lengths of Landscape Dripline to Easy Fit Fittings to create grid. Add Air Relief Valve Kit to the zone. 25 min / 50'
Staple Landscape Dripline grid in place and flush for 2 minutes 5 min / 10'
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Pots / Baskets / Misc.
Patio Pots On a Separate Zone
(Page 1 of 2)
Solution

Xeri-Bird 8 and XB Drip Emitters on a PVC Lateral

Advantages
  • Up to 60% water savings
  • Xeri-Bird 8 manifold with PRS offers perssure regulation, filtration and controlled watering to multiple pots
  • Manifold allows for increase / decrease in future plant water demands
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XBD-80

Xeri-Bird 8 Outlet Manifold

XB xx

Pressure Compensating Drip Emitters (0.5 to 2.0 gph)

PRS-050

In-stem 30 psi Pressure Regulator

PT-025-050

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap
PVC Misc
PVC Laterals, Fittings, Glue


To-Do List

Description
Time (Approx.)
Trench (as needed), cut, and glue PVC laterals. Varies by application
Connect lines to water source. 1 hr
Thread XBD-80 manifold onto PRS-050 then connect to PVC tee. 5 min / Assembly
Attach 1/4" distribution tubing to outlest on XBD-80 manifold. 3 min / XBD-80
Run 1/4" lines to sparse plantings, stake in place with a bug cap on end. 8 min / Pot
Install the desired Drip Emitter inside XBD-80 manifold. 2 min


Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install Drip Emitters in XBD-80 with self-piercing barb end up.
Run 1/4" tubing through the drain hole in the bottom of the pot for invisible installation prior to planting.
Leave 6" slack in 1/4" tubing next to mainfold in case of unexpected maintenance.

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Pots / Baskets / Misc.
Patio Pots On a Separate Zone
(Page 2 of 2)
Solution

Multi-Outlet Manifold on a Poly Lateral

Advantages
  • Up to 60% water savings
  • Poly tubing flexible for odd shaped areas
  • XB-05-6 ensures even watering to multiple ports
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XCZLF100PRF

3/4" Xeri Control Zone Kit

XB-10-6

6 Outlet PC Manifold w/ Barb Kit

XT-700-100

Xeri Black Stripe Poly Tubing

PT-025-050

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap


To-Do List

Description
Time (Approx.)
Trench (as needed), cut, and glue PVC laterals. Varies by application
Connect lines to water source. 1 hr
Thread XBD-80 manifold onto PRS-050 then connect to PVC tee. 5 min / Assembly
Attach 1/4" distribution tubing to outlest on XBD-80 manifold. 3 min / XBD-80
Run 1/4" lines to sparse plantings, stake in place with a bug cap on end. 8 min / Pot
Install the desired Drip Emitter inside XBD-80 manifold. 2 min


Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install Drip Emitters in XBD-80 with self-piercing barb end up.
Run 1/4" tubing through the drain hole in the bottom of the pot for invisible installation prior to planting.
Leave 6" slack in 1/4" tubing next to mainfold in case of unexpected maintenance.

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Slopes
Highway Embankments
Dense Applications
Solution
 Landscape Dripline Grid with XB Drip Emitters
Advantages
  • Up to 60% water savings
  • Low maintenance results in labor savings
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • No run off = reduced liability in high traffic areas
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

XB xx

Pressure Compensating Drip Emitters

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap

TDS-050

Tie Down Stake
XM Tool XM Installation Tool

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Connect Easy Fit Adapter to Easy Fit Tree for connection to Control Zone Kit 5 min
Cut lengths of Landscape Dripline to build grid in planting area 10 min / 50'
Connect lengths of Landscape Dripline to Easy Fit Fittings to create grid. Add Air Relief Valve Kit to the zone. 25 min / 50'
Insert XB Emitters into Landscape Dripline for supplemental water at larger plants. 3 min / Emitter
Staple Landscape Dripline grid in place and flush for 2 minutes 2 min
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.
Use XM Tool to install PC Emitters into Landscape Dripline

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Slopes
Hillside
Combination Applications
Solution
 Landscape Dripline Grid with XB Drip Emitters
Advantages
  • Up to 60% water savings
  • Low maintenance results in labor savings
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • No run off = reduced liability in high traffic areas
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

XB xx

Pressure Compensating Drip Emitters

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap

TDS-050

Tie Down Stake

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Connect Easy Fit Series for connection to Control Zone Kit 5 min / XCZ
Cut lengths of Landscape Dripline to build grid in planting area 10 min / 50'
Use MDCF Fittings to create LD grid. Add Air Relief Valve Kit and staple grid in place. Insert XB Emitters into LD for supplemental watering 1 hr 30 min
Connect 1/4" tubing to XB Emitters, run lines and stake next to larger plants. 8 min / Stake
Flush zones for 2 minutes. 2 min
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Slopes
Highway Embankments
Sparse Applications
Solution
 Xeri-Bird 8 and XB Drip Emitters on a PVC Lateral
Advantages
  • Up to 60% water savings
  • No over spray damage to structures, fences, or windows
  • Targeted watering reduces weed growth
  • Manifold design allows for increase/decrease in future plant water demands
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XBD-80

Xeri-Bird 8 Outlet Manifold

XB xx

Pressure Compensating Drip Emitters

PRS-050

In-stem 30 psi Pressure

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap
PVC Misc
PVC Laterals, Fittings, Glue

 


 

To-Do List

Description
Time (Approx.)
Trench, cut, and glue PVC laterals. 1 hr 20 min
Connect lines to water source. 1 hr
Tread XBD-80 manifold onto PRS-050 then connect to PVC tee. 5 min / Assembly
Attach 1/4" distribution tubing to outlest on XBD-80 manifold. 3 min / XBD-80
Run 1/4" lines to sparse plantings, stake in place with a bug cap on end. 8 min / stake
Install the desired Drip Emitter inside XBD-80 manifold. 2 min

 

 


 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install Drip Emitters in XBD-80 with self-piercing barb end up.
Leave 6" slack in 1/4" tubing in case of unexpected maintenance.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Walls

Crib Walls
Solution
 Landscape Dripline Grid
Advantages
  • Up to 60% water savings
  • Targeted watering helps reduce erosion of wall
  • No run off = reduced liability in high traffic areas
  • Low maintenance results in labor savings
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

TDS-050

Tie Down Stake

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Cut lengths of Landscape Dripline to build grid in crib wall 10 min / 50'
Connect lengths of Landscape Dripline to Easy Fit Fittings to create grid. Add Air Relief Valve Kit to the zone and connect to Control Zone Kit. 25 min / 50'
Staple Landscape Dripline grid in place and flush for 2 minutes. 2 min
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.
Break up watering cycles to avoid run off or pooling of water in blocks

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Walls

Retaining Walls
Solution
 Landscape Dripline
Advantages
  • Up to 60% water savings
  • Targeted watering helps reduce erosion of wall
  • No run off = reduced liability in high traffic areas
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

TDS-050

Tie Down Stake

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source. 1 hr
Cut lengths of Landscape Dripline to lay lateral below retaining wall. 10 min / 50'
Connect lengths of Landscape Dripline to Easy Fit Fittings and add Flush Cap to end. Connect to Control Zone Kit. 15 min / 50'
Staple Landscape Dripline grid in place and flush for 2 minutes. 2 min
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 





1. Control Zone Kit 5. Xeri-Black Stripe Tubing 11. Easy Fit Elbow
  1a. Low Flow Valve 6. Xeri-Bug Emitter 12. Diffuser Bug Cap
  1b. Pressure Regulating Filter 7. 3/4" Tubing Stake 13. PC Emitter Diffuser Cap
2. Easy Fit Female Adapter 8. 3/4" Tubing 14. PC Module
3. Easy Fit Coupling 9. 3/4" Tee 15. Poly Flex Riser Assembly
4. Xeriman Tool 10. Tie-Down Stake 16. BIGIE Stake

17. 1/4 Self-Piercing Barb Connector 23. Xeri-Flex Dripline 29. Easy Fit Tee
18. Xeri PC Nozzle 24. Tubing Cutter 30. Easy Fit Flush Cap
19. Xeri-Pop 25. Xeri-Bird Pro 31. Purple Landscape Dripling
20. Xeri-Bubbler 26. In-Stem Pressure Regulator 32. Easy Fit Male Adapter
21. Air Relief Valve Kit 27. EMT-6XERI 33. XT-700 Distribution Tubing
22. SEB-6X Emitter Valve Box 28. Xeri PC Nozzle Adapter with
      PolyFlex Riser
 
 




      

Online Store:   BUY HERE!

The Fertigator 
Advantages
Benefits
Applications
Fertigation vs. Granular Fertilizers
FAQ's

How it Works
How to Install It
Product Selection
Backflow Prevention
Controllers

Fertigator Products
FertiGrow Products

FertiGrow Pest Repellent


FertiGrow Pest Repellent
is an all-natural liquid that gets rid of destructive pests and keeps them away from your property. It doesn't use harsh chemicals or pesticides only natural irritants that motivate them to feed elsewhere.

Proven successful in combating:


Grubs
Fire-Ants
Moles
Deer
Armadillos
 
It is completely safe for human and pets. Recommended for yards, school grounds, sports fields and parks.

Applications:
One quart of Pest Repellent will cover 15,000 square feet per month. It is most effective when applied through a fertigation system. It can also be sprayed on with a hose-end sprayer.

Repel

General Information: Repel is a general anti-feedant. Repel acts as an irritant to pests motivating them to feed elsewhere. This includes grubs, insects, and mammals such as deer. Repel also works with moles and other subsurface creatures. Repel may be mixed with FertiGrow fertilizers.

Application: Apply Repel at a rate of 1.0—3.0 oz. per 1,000 sq. ft. per month. Repel can be applied through the fertigation system or as a direct spray application.

FertiGrow Pest Repellent

What is a FertiGator?

 


By Katherine Woodford

 

 

Indian summer, leaves are changing . . . winter can’t be far away. This has been a tough year for contractors, especially for those who do winterizations. The weather didn’t break for most parts of the northeast and central states until mid-April. Because of this long layoff, they have had to crunch to get the work they had on the books done and to bring in new business. Hopefully, the weather will cooperate and they can work late into the fall.

Professional contractors are already beginning to think about scheduling their winterization programs, so as to avoid a crunch for time as the temperatures drop. Some contractors have found a way to decrease their stress level, and to a degree, stave off winter. They use one of the best-kept secrets of winterizing, the automatic drain valve.

While an insignificant part of the six billion dollar a year industry, automatic drain valves can play a significant role in conserving time and labor for the contractor, and helping his customers at the same time. The valve enables contractors to start installing sooner in spring and work later into the fall installation season.

The drain valve works very simply. Most use a pressure-activated rubber valve that closes when the psi reaches 9 or 10. When the zone cycle ends and shuts off, the resilient rubber valve reopens and a portion of the water drains out, providing valuable freeze protection.

Automatic drain valves are not new to the irrigation industry. Lloyd King invented and introduced them to the market in 1970. His son, Herb King, continues production under his company’s name, King Safety Products, after revising the drain in 1992. Seven years ago, Tom King of Tom King Harmony Products, another son of Lloyd’s, came up with a new automatic freeze drain design. He calls it the Harmony Drain.

“The contractor doesn’t need a gravel sump anymore unless installing in extreme clay conditions,” explains Tom King. “All soils are suitable for drainage. We recommend mounting lateral line drains at a 45-degree angle to keep any dirt that may be in the system out of the drain.”

“In the spring there is always a chance of contaminated water running back into a pipe,” says Herb King, “but these drains are designed with a backflow check; water comes out, but can’t go back in. The earth wicks the water out of the pipe, but you don’t want the dirt going back in.”

Freeze drains are used on both polyethylene and PVC pipe. They are installed on the main line, the lateral lines, the middle of the lines, the end of the line and any additional low spots along the pipe. Three per zone is a typical installation. Settling some concerns over whether drains will work long-term, Herb King advises that there are systems over thirty years old still being protected with King Drains. “It is the only auto drain with both critical features, backflow check and dirt intrusion.”
The mainline automatic freeze drain valves are designed to handle up to 1200psi and the lateral line automatic freeze drain valves are designed to handle up to 1000psi, to eliminate damage to the drain caused by the water hammer.

 

The Harmony drain has a built in self-cleaning operation; when the pipes start to fill, a small precision-ground PE rubber ball bounces around inside the automatic freeze drain valve, eliminating any dirt in the system from clogging the freeze drain. Both drains have the wicking action drain pad that protects against root intrusions and sharp rocks.

There are several advantages to making automatic freeze drains a standard part of your systems. You can advertise your systems as automatic drain systems. In addition, you can also offer a 100% warranty against freeze damage. Not only do you offer your client security against freezing pipes, it is very profitable as well.

In writing this article, it was interesting to note that as we telephone-traveled from east to west, we found that in certain areas of the country they use automatic freeze drains extensively. In other areas they’re not used at all, and still others use them in “special circumstances.” In many cases, whether automatic freeze drains are installed or not often depends on who trained the contractor in irrigation installation. This explains why there may be entire regions in a state that do or do not use automatic freeze drains. The predominant number of contractors using automatic drains was in the Midwest, and where wintertime freezing frequently occurs.

Another advantage is in winterizations. Automatic drains give your customers a longer fall and an earlier spring watering season, protecting their systems against premature freezing. You can blow out more systems in less time because the lines have already been drained. With this time savings, you are able to install systems later into the season, thereby avoiding the normal crunch, when everyone wants their systems winterized at the same time.

In some areas of the country, contractors are not blowing the systems out if they have installed automatic freeze drains. As they explain how to operate a new system to the homeowner, they also explain how to drain the main line when the system is ready to be shut down for the winter. They give the homeowner a handout explaining the steps for shutting the system down and bringing it back up in the spring.

“Most of my customers like this idea,” says Mark Alexander, owner of Tri-City Sprinklers in Grand Island, Nebraska. “If they know a hard freeze is coming, they can drain the system, shut it down, and then, if in the next week or so it warms up and they want to water, they can bring it up by themselves, without having to pay me for service calls. The following spring, they can turn it on whenever they are ready to use it. They like that independence.”

Brandon Phelps, owner of Magic Lawe in Bountiful, Utah, says, “It doesn’t take an extra minute on each line to install automatic drains. I guarantee my work for three years, and I just like doing it right the first time.”

In New Jersey, a spokesman for Princeton Irrigation stated that unless someone specifies it, automatic drains are not installed, except where there are exposed risers. In Pennsylvania, a contractor who installs in a very rural area feels automatic freeze drains are a “good thing to use” but his clients have a low price in mind for what they want to pay for a system and he can’t include automatic freeze drains. He blows all his systems out, even those with automatic freeze drains, as a safety measure.

Ted Schellhase, owner of Lake Front Landscape in West Point, Utah, says he installs freeze drains in special circumstances. He uses polyethylene pipe and he says that when coming down a hill he will place a drain past the last sprinkler at the lowest point. He blows all his systems out.

“I advertise my systems as self-draining,” says Jerry Lamner, owner of R & L Sprinkler in Grand Island, Nebraska. “This is upselling, but most reputable companies in our area install freeze drains. Extending the season is not necessarily a factor; the big factor is keeping the backflow from freezing.” Lamner does not blow out his customer’s systems. Instead, he shows them how to relieve the pressure, preferring to save his clients money on service calls.

“Installing automatic freeze drains is standard procedure with my irrigation systems,” explains John Yowell, owner of Modern Underground Irrigation in Lincoln, Nebraska. “I don’t give my clients a choice. I give them an instruction sheet for draining the system in the winter and have had positive responses. They know how much money they are saving in service calls, and I like not having the stress in the fall and spring scheduling shut downs and start ups.”

The majority of contractors interviewed across the nation still blow out their clients’ systems. Some were not aware of the existence of automatic freeze drains; some had heard of them but did not have enough information to try them; others had heard about them but had concerns about failure and felt that if they failed, it would be too late, pipes would be frozen.

Automatic freeze drains are still irrigation’s best-kept secret. It’s time they came out of the closet! Add security to your irrigation systems for your customer’s peace of mind. Upgrade the systems with automatic freeze drains to rise above the competition. Don’t be afraid to ask questions to find out if they are conducive to your area’s climate. Learn about the changes and advancements that have been made since the ’70s. With this knowledge, you can easily make the systems you install state of the art.

September 2001

 

 
Sprinkler Warehouse's
Recommended Parts

Click on one of the two images below to look at the parts we suggest for your sprinkler system. We selected the Best parts and assure you they stand up to our Quality & Performance standards

Parts Recommended for
Residential Homes

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Parts Recommended for
Commercial Sites

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Sprinkler Warehouse offers your the best
Automatic Sprinkler Fertilization Systems
to choose from based on your needs!

Fertilization through your sprinkler system (known as fertigation) is the best, most cost-effective way to deliver nutrients to grass and ornamentals. Fertigation will give you beautiful and healthier lawns and landscapes.
 

Ferti-Pro

       



The Ferti-Pro System
Simply the Best System


When You Want The Best
Buy the Ferti-Pro!

The FertiPro is FertiGator's original product - programmable by irrigation zone (the only one that is), efficient and adaptable to almost any residential and commercial property, even complex landscapes.


Ferti-Pro Features


Adjustable by Zone

The FertiPro is the only fertilizer system that can be programmed to apply different rates to each area of your lawn and landscape.

Very Precise

The FertiPro injects exactly 1 mil. per pulse which can be adjusted easily at the controller.

Adaptable to All Properties

From the smallest lawn to large complex landscapes, the FertiPro handles all properties and landscape layouts.

Reasonably Priced

Given the unique features of the FertiPro it is a great value in fertigation.

You have total control over how much fertilizer is applied to each section of your lawn and Landscape.

How it Works

-

The controller reads the sprinkler system timer to determine what zone is on.

-

The controller then tells the injector how many times to pulse in order to deliver the right amount of product to that zone.

-

The injector pulses the proper number of times, drawing the fertilizer through the ¼" polyethylene tubing from wherever the fertilizer is located (usually near the injector in a valve box or outdoor enclosure).





Each Ferti-Pro Kit comes with:
 
- One M1 or M2 Injector
- One 8-Zone controller
- One Plug-in transformer
- One Mounting Tee

Operating Range:
  30 - 100 psi
  1 - 30 gpm (M1)
  2 - 60 gpm (M2)

 
 
Learn More About

FertiPro

Buy a 
FertiPro System

 



Available Fertilizer Formulas:

FertiGro Fertilizers and Lawn Care Products

What's a great fertigation system without great fertilizer? Learn how to select and use the FertiGro fertilizer that's right for your lawn.


Total Lawn Care Plus *

an 18-2-6 fertilizer designed for year round use that will produce beautiful, healthy lawns that require less watering.

Total Garden Care Plus*

an 11-8-5 fertilizer formulated with extra phosphorus and micro-nutrients essential for beautiful flowers and vibrant plants.

 

 


FertiGro Repels

an all-natural pest repellent that gets rid of destructive pests and keeps them away from your property. It doesn't use harsh chemicals or pesticides only natural irritants that motivate them to go elsewhere. It is completely safe for humans, pets and the environment.
 


FertiGro Rust Stopper

The FertiPro can inject FertiGro Rust Stopper into your sprinkler system so it is delivered every time you water and stop rust stains before they start. Simply send out Rust Stopper in those zones near your house, driveway and other susceptible material and it will prevent stains from occurring.

 * The "Plus" means it also includes our unique, all natural, Repels anti-feedant product. Repels helps discourage many damaging or nuisance insect and animal pests including rabbits, deer, moles, armadillos, fire ants plus fleas, ticks and mosquitoes.

Click Here to Learn More About 
FertiGrow Fertilizer

Click Here to Buy
FertiGrow Fertilizer

 

 


 



      

Online Store:   BUY HERE!

The Fertigator 
Advantages
Benefits
Applications
Fertigation vs. Granular Fertilizers
FAQ's

How it Works
How to Install It
Product Selection
Backflow Prevention
Controllers

Fertigator Products
FertiGrow Products


Pro-Spray in Action

Fertigation, fertilizing through an irrigation system, is the most efficient, cost-effective way to deliver nutrients to plants and is better for the environment.



The FertiGator is an automatic lawn care system that easily attaches to any in ground sprinkler system. Having a healthy, great looking lawn and garden has never been easier!

Easy To Use:

A homeowner buys a bucket of fertilizer and stores it in the garage.
Then, he or she puts it in the (sprinkler system) tube.
When that bucket is empty, they simply buy another bucket.
It's that easy to use.

 
Pots / Baskets / Misc.
Hanging Baskets
 
Solution

XB Drip Emitters on a Poly Tubing Lateral

Advantages
  • Up to 60% water savings
  • Target watering in baskets
  • Connect to irrigation timer for consistent automatic watering
  • Eliminates hand watering
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

ICZ-101-40

1" Xeri Control Zone with 40 psi Pressure Regulator

XB XX

PC Drip Emitters

XT-700-100

Xeri Black Stripe Poly Tubing

12-038

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap
XM Tool XM Installation Tool
Electrical Staples 1/2" Metal Staples


To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit at water source and connect poly tube laterals to edge of structure. 1 hr
Elbow poly lateral in vertical line up structure to eaves. Staple poly lateral to structure 40 min / 50 ft
Staple poly lateral along underside of eaves.

30 min / 50 ft

Use XM Tool to punch PC Emitters into poly lateral above baskets. 10 min / Basket
Connect short length of 1/4" tubing to PC Drip Emitters and stake in basket. Add bug caps to ends of 1/4" lines. 8 min / Basket
Turn on water to test connections  


Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Use XM Tool for faster installation of Drip Emitters..
Break up watering cycles to avoid excess drainage.

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Narrow Planting Beds
Narrow Planting Beds Next to a Structure or Cart Path
Sparse Applications
Solution
 Xeri-Bird 8 and XB Drip Emitters on a PVC Lateral
Advantages
  • Up to 60% water savings
  • No over spray damage to structures, fences, or windows
  • Targeted watering reduces weed growth
  • Manifold design allows for increase/decrease in future plant water demands
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

XBD-80

Xeri-Bird 8 Outlet Manifold

XB xx

Pressure Compensating Drip Emitters

PRS-050

In-stem 30 psi Pressure

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap
PVC Misc
PVC Laterals, Fittings, Glue

 


 

To-Do List

Description
Time (Approx.)
Trench, cut, and glue PVC laterals. 1 hr 20 min
Connect lines to water source. 1 hr
Thread XBD-80 manifold onto PRS-050 then connect to PVC tee. 5 min / Assembly
Attach 1/4" distribution tubing to outlest on XBD-80 manifold. 3 min / XBD-80
Run 1/4" lines to sparse plantings, stake in place with a bug cap on end. 8 min / stake
Install the desired Drip Emitter inside XBD-80 manifold. 2 min

 

 


 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install Drip Emitters in XBD-80 with self-piercing barb end up.
Adjust water time as seasons / weather changes.
Leave 6" slack in 1/4" tubing in case of unexpected maintenance.

 

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 

Sprinkler Warehouse's
Buyer's Guides!
Components

Components
These are just some of the devices that will aid you with installing your sprinkler system:


Worm Gear Clamp
Use for clamping insert fittings with poly pipe.

Swing Joint
The joint provides the sprinkler with flexibility so it can be adjusted. It also helps to protect it from being crushed. It is primarily used in aboveground irrigation systems on public grounds such as parks.

Crimp Clamp
A circular metal band which is clamped by a special tool to help it provide leak-proof seal.

Goof Plug
Use to plug a tiny goof hole in polyethylene hose. Can withstand an operating pressure of 60 psi.


 

Sprinkler Warehouse's
Buyer's Guides!
Controllers

Controllers
Also referred to as timers, these devices are responsible for turning an automatic irrigation system on and off. Controllers can range from very simple to quite advanced computer systems which offer many powerful features. One should base their selection on the nature of their system. For example, if you have a six-zone irrigation system in place, make sure to select a controller with a six-position capacity. A controller is typically either mounted on a wall or in a protective pedestal.

Electromechanical Controllers
Offer exceptional reliability because of their rudimentary electronic components and design. Simply turning dials or flipping switches will set the controller that is rarely affected by power outages. A potential drawback of such a device is the inability to provide independent scheduling to accommodate complex watering requirements.

Electronic Controllers
Electronic controllers can be programmed to water different parts of the lawn based on each plant's watering requirements. Landscape can be watered at different rates or frequencies due to sun exposure, poor drainage or soil conditions. Ideally, these controllers would be reprogrammed as the lawn matured or the seasons changed.

 


 

Sprinkler Warehouse's
Buyer's Guides!
Selecting Valves for Dirty Water Applications

If you're working on sites where the primary water source is lakes, ponds, streams or effluent, it's very likely that you deal with "dirty" water. Since the dirt and debris from this kind of water can choke an irrigation system, picking the right equipment is vital and nowhere is this more vital than in the selection of the correct remote-control valves.

When you select a remote-control valve for a dirty water application, make sure it has filtration features incorporated into the valve by the manufacturer. This is a very important , because not all valves have filters and the area on top of the valve diaphragm and the solenoid area is extremely susceptible to damage from fine particles of dirt and debris. The best method for filtration manufacturers employ to prevent dirt from contaminating the valve and interrupting operation is the "self-flushing" screen.

A filter or screen that is self-flushing prevents water containing dirt and debris from entering the top of the diaphragm and the solenoid. Located on the bottom of a valve's diaphragm or inserted into the side of the valve body with a tube connected to the base of the solenoid, the screen or filter positioned in the stream of water running through the body of the valve. The water flow continuously flushes the filter screen, dislodging particles and debris before they can accumulate and clog the filter.

One manufacturer's valve, which is particularly effective in dirty water, is the Rain Bird series of scrubber valves. This series of unique valves have a scrubbing action, which occurs every time the valve is opened and closed. The fingers of the plastic scrubber removes dirt and debris by scraping the stainless steel filter screen clean as it moves up and down with the diaphragm. The action constantly breaks down debris to prevent build-up and clogging.


 

Sprinkler Warehouse's
Buyer's Guides!
Emergency Valves
Emergency Valves
These should be installed adjacent to your point of connection with the water supply. Its purpose is to enable you to operate on the mainline or irrigation valves without disrupting the supply of water to your home. There are two basic types for you to choose from: The Gate Valve and The Ball Valve. The Ball Valve is more expensive, but it typically lasts for longer periods of time.

 


 


Sprinkler Warehouse's
Buyer's Guides!
Sprinkler Parts


This section provides an overview of each of the components in a lawn and landscape sprinkler system. This information is provided to assist homeowners and others in understanding basic irrigation terms, equipment applications, features and benefits.

The information provided here will help to answer important questions that arise when evaluating sprinkler system proposals:

  • What type of system do I want?
  • What sprinkler is most appropriate for my application?
  • What special features, "bells and whistles" are desirable?
  • What are the potential pitfalls of specific types of equipment?
  • What items must be included on my system?

 

 

Lawn Sprinkler System Components:
An explanation of what each item is, how it works,
and how to pick the right one for you!

 

Controllers, Timers, or Clocks
Rain, Wind, and Freeze Sensors
Valves
Sprinkler Heads
Connecting Sprinkler Heads to Pipe
Backflow Prevention Devices
Chemigation/Fertigation

Drip Irrigation

Technical Information about How Much to Water

Back to Buyer's Guide: Offers even more info to help you


 
Larger Landscaped Areas
Flower Beds
Solution

BIGIE Stake, Poly Flex Riser / Adapter, XB Drip Emitters on Landscape Dripline

Advantages
  • Up to 60% water savings
  • No unsightly run off in high visibility areas
  • No damage to walls or entry ways
  • Supplemental XB Drip Emitters are placed to larger plants with higher water requirements
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

BIGIE

Below Grade Irrigation Stake

XB xx

Pressure Compensating Drip Emitters (0.5 to 2.0 gph)

PFR / FRA

Poly Flex Riser / Adapter

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

MDCF Series

Easy Fit Compression Fittings / Adapters


To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source and Control Zone. 1 hr
Cut lengths of Landsape Dripline for LD grid in planting area. 10 min / 50 ft
Use MDCF Fittings to create LD grid. Install BIGIE stakes next to larger plants. Thread PFR/FRA into BIGIE Stake inlet. Thread XB-xx 10-32 in risers. 1 hr 30 min.
Flush zones for 2 minutes. 2 min.
Install planting material  


Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
For larger trees, use higher flow PC Modules and DIffuser Caps to avoid wash out.
Adjust watering time as seasons / weather changes.
Cut Poly Flex Risers slightly above grade (before installing the XB XX Emitters) for an 'invisible' installation.
Poly Flex Adapter (FRA) is made of Marlex® so no Teflon® is needed.

 


 

Click-n-Buy - Click on Parts in Picture Below to Add Items to Your Cart

 
Street Medians

Combination Applications
Solution
 Landscape Dripline Grid with XB Drip Emitters
Advantages
  • Up to 60% water savings
  • No overspray damage to roadways and vehicles
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • No run off = reduced liability in high traffic areas
  • Low maintenance results in labor savings
Installation & Materials List

Click-n-Buy - Click on Part Number to Add Items to Your Cart

Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

XB xx

Pressure Compensating Drip Emitters

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap

TDS-050

Tie Down Stake

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Connect Easy Fit Series for connection to Control Zone Kit 5 min / XCZ
Cut lengths of Landscape Dripline to build grid in planting area 10 min / 50'
Use MDCF Fittings to create LD grid. Add Air Relief Valve Kit and staple grid in place. Insert XB Emitters into LD for supplemental watering 1 hr 30 min
Connect 1/4" tubing to XB Emitters, run lines and stake next to larger plants. 8 min / Stake
Flush zones for 2 minutes. 2 min
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.

 

 


 

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Street Medians

Dense Applications
Solution
 Landscape Dripline Grid with PVC Header
Advantages
  • Up to 60% water savings
  • No overspray damage to roadways and vehicles
  • No run off = reduced liability in high traffic areas
  • Low maintenance results in labor savings
Installation & Materials List

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Part Number

Description

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

XCZ-LF-100

1" Xeri Control Zone Kit

AR Valve Kit

Air Relief Valve Kit

MDCF Series

Easy Fit Compression Fittings / Adapters

TDS-050

Tie Down Stake

PVC Misc.

PVC laterals, glue, and fittings

 


 

To-Do List

Description
Time (Approx.)
Assemble Control Zone Kit and connect to water source 1 hr
Cut lengths of Landscape Dripline to build grid in planting area 10 min / 50'
Connect lengths of Landscape Dripline to Easy Fit Fittings to create grid. Add Air Relief Valve Kit to the zone and connect to Control Zone Kit. 25 min / 50'
Staple Landscape Dripline grid in place and flush for 2 minutes. 2 min
Install Planting material.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install AR Valve Kit at high point in the system.
Leave Landscape Dripline coil in the sun while preparing for installation.
Add a Xeri-Bubbler 180 Spyk to line nearest Control Zone/Valve box as an indicator for maintenance crews.

 

 


 

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Street Medians

Sparse Applications
Solution
 Landscape Dripline Grid with XB Drip Emitters
Advantages
  • Up to 60% water savings
  • No overspray damage to vehicles
  • Supplemental XB Drip Emitters are placed next to larger plants with higher water requirements
  • Landscape Dripline is easy to install for labor savings.
Installation & Materials List

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Part Number

Description

BIGIE

Below Grade Irrigation Stake

XB xx

Pressure Compensating Drip Emitters (0.5 to 2.0 gph)

PFR / FRA

Poly Flex Riser / Adapter

LD 09 12

Landscape Dripline 0.9 gph @ 12" spacing

 


 

To-Do List

Description
Time (Approx.)
Trench, cut and lay poly tubing laterals. Connect to BIGIE stakes. 1 hr
Assemble Control Zone Kit and connect to water source and laterals. 1 hr
Thread PFR / FRA into BIGIE stake threaded inlet. 3 min / BIGIE
Thread XB Emitter into Poly Flex Riser 2 min / PFR
Flush zones for 2 minutes. 2 min
Install Planting material and mulch.  

 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
For larger trees, use higher flow PC Modules and Diffuser Caps to avoid wash out.
Adjust watering time as seasons / weather change.
Cut Poly Flex Risers slightly above grade (before installing the XB Emitters) for and 'invisible' installation.
Poly Flex Adapater (FRA) is made of Marlex so no Teflon tape is needed.

 

 


 

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Narrow Planting Beds
Narrow Planting Beds Next to a Structure
Sparse Applications
Solution
 Xeri-Bird 8 and XB Drip Emitters on a PVC Lateral
Advantages
  • Up to 60% water savings
  • No over spray damage to structures, fences, or windows
  • Targeted watering reduces weed growth
  • Manifold design allows for increase/decrease in future plant water demands
Installation & Materials List

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Part Number

Description

XBD-80

Xeri-Bird 8 Outlet Manifold

XB xx

Pressure Compensating Drip Emitters

PRS-050

In-stem 30 psi Pressure

PT-025

1/4" Distribution Tubing

TS-025 w/CAP

1/4" Tubing Stake with Bug Cap
PVC Misc
PVC Laterals, Fittings, Glue

 


 

To-Do List

Description
Time (Approx.)
Trench, cut, and glue PVC laterals. 1 hr 20 min
Connect lines to water source. 1 hr
Thread XBD-80 manifold onto PRS-050 then connect to PVC tee. 5 min / Assembly
Attach 1/4" distribution tubing to outlest on XBD-80 manifold. 3 min / XBD-80
Run 1/4" lines to sparse plantings, stake in place with a bug cap on end. 8 min / stake
Install the desired Drip Emitter inside XBD-80 manifold. 2 min

 

 


 

Installation and Maintenance Tips

Description
Flush the zone after installation and once a year.
Install Drip Emitters in XBD-80 with self-piercing barb end up.
Adjust water time as seasons / weather changes.
Leave 6" slack in 1/4" tubing in case of unexpected maintenance.

 

 


 

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We put together the chart below to assist you in finding the best of
the commonly used items when installing a lawn sprinkler system.
You can't go wrong using parts like we've outlined below!

  Hunter
(Best Quality)
Rain Bird
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Controller Pro-C Series ESP Modular, or ESP-LXi Series
Remote Control SRR-Kit RM-1 (Discontinued)
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Rotor Sprinklers I-20, PGP, or PGJ Series 5000plus or 3500 Series
Rotor Sprinklers: Dirty Water (lakes, ponds, reservoir) I-20, PGP, or PGJ Series Maxi-paw Series
Spray Sprinklers Pro-Spray Series
& Nozzles
1800, 1800-PRS, 1800-SAM, 1800-SAM-PRS Series
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or Cut Off Nipples

Self Tapping Fittings, Poly Fittings, or PVC Fittings
Backflow Prevention
(review your local codes)
Febco Reduced Pressure Assembly,
Double Check Valve, or Pressure Vacuum Breaker
Electrical Snaploc Water Proof Connectors,

16 gauge Wire, or  Multi-Strand Wire
Fertilizer System The Ferti-Pro System - Control Amt. of Fertilizer by Zone
The EZ-FLO System - Easy to install, very good coverage
Valve Boxes

Either use one round valve box per valve or use a larger rectangular valve box to cover multiple valves at one time.

Valve Boxes

Automatic Drains

Use Automatic Drains to drain the water from the system when not in use to help prevent freeze damage to the pipes and other parts. It is typical to use 2 drains on the mainline and 2 or 3 per zone (section).
You should not use more than 3 drains per zone.

Automatic Drains

 

Sprinkler Warehouse's
Parts Recommended for Commercial Sites

Recommendations for Commercial Applications
We put together the chart below to assist you in finding the best of
the commonly used items when installing a lawn sprinkler system.
You can't go wrong using parts like we've outlined below!

  Hunter
(Best Quality)
Rain Bird
(Good Quality)
Controller ICC Series RC-C, or ESP-LX Series
Remote Control ICR-Kit RM-1 (Discontinued)
Sensors MWS-FR mini weather station, or RainClik rain shut off RSD-Bex rain shut off
Valves ICV or HPV Series PEB/PESB or PGA Series
Valves: Dirty Water
(lakes, ponds, reservoir)
ICV with Filter Sentry
or HPV Series
PESB Series
Rotor Sprinklers I-25 or I-20 Series 8005 or 7005 Series
Rotor Sprinklers: Dirty Water (lakes, ponds, reservoir) I-25 or I-20 Series R-50 or Maxi-paw Series
Spray Sprinklers Institutional Series
& Nozzles
1800, 1800-PRS, 1800-SAM, 1800-SAM-PRS Series
& Nozzles
Connect Sprinkler to Pipe Swing Joints, PVC Swing Joints, or Cut Off Nipples

Self Tapping Fittings, Poly Fittings, or PVC Fittings
Backflow Prevention
(review your local codes)
Febco Reduced Pressure Assembly,
Double Check Valve, or Pressure Vacuum Breaker
Electrical Snaploc Water Proof Connectors,

16 gauge Wire, or  Multi-Strand Wire
Fertilizer System The Ferti-Pro System - Control Amt. of Fertilizer by Zone
The EZ-FLO System - Easy to install, very good coverage
Valve Boxes

Either use one round valve box per valve or use a larger rectangular valve box to cover multiple valves at one time.

Valve Boxes

Automatic Drains

Use Automatic Drains to drain the water from the system when not in use to help prevent freeze damage to the pipes and other parts. It is typical to use 2 drains on the mainline and 2 or 3 per zone (section).
You should not use more than 3 drains per zone.

Automatic Drains

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