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Rain Bird ESP-Me 4 Station WiFi Ready Indoor Controller | ESP-4MEI

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Rain Bird ESP-Me 4 Station WiFi Ready Indoor Controller

  • Rain Bird ESP-Me4 Indoor/Outdoor Controller
  • 4 Stations
  • Wifi Ready (LNK Wifi Module NOT included)

Features & Benefits

The ESP-4MEI takes the best parts of previous controllers in the Rain Bird line and combines them with added features and benefits to make the controller one of the most powerful and user friendly devices Rain Bird has ever created. Perfectly suited for a myriad of residential situations the ESP-4ME allows for as many as 22 stations (zones) to be added to its base 4-zone configuration. The ESP-Me line of controllers in as close to a universal solution as any controller on the market.

Customizable Watering Schedules

ESP programming makes setting up each controller to meet the needs of the landscape easier than ever before. Time is money with Rain Bird helps you keep time on your side.

One-Solution for All

Tired of learning and re-learning how to program and operate a new controller on every job. The ESP-Me controller has all the functionality and features you need to make it a one stop shop for all your controller needs. Big or small, simple or demanding, Rain Bird has got your covered.

Postpone Watering

Sometimes the rain comes down and does the watering for you does your current controller take note of the precipitation and adjust for it in the watering schedule. The ESP-Me does. So go ahead and plan that party as far as 14 days in advance Just tell your controller to keep things dry on the days before and the day of the event and it will postpone the watering and automatically restart it's normal schedule the following day.

Bypass Rain Sensor by Station

Rain Sensors are a tremendous invention and they are improving year by year to be more and more smart. However, they fall short in that they control the entire system, not zone by zone. Got Maybe you have an area of your yard that won't receive rainfall the way the rest if the yard does. The ESP-Me controller allows you to identify these special area in your yard, allowing them to water as usual even when the rain is coming down and the other zones are taking a break.

Adjust Watering Up or Down by Percentages

Setting up the perfect watering schedule takes time and finesse. Once you have it just right, the last thing you want to do change up your whole schedule just to meet the needs of a new season. ESP-Me controllers let you increase or decrease your current watering schedule on a percentage basis.

Total Run Time Calculator by Program

There is nothing worse than walking out to the mailbox and having the sprinklers turn on when you are in the middle of the yard! Rain Bird incorporates a total time function into the controller that lets you see how long the entire watering cycle takes and lets you move it up or back accordingly so that your kids don't get a sprinkler-surprise on their way out to catch the bus!

Advanced Warning System

The ESP-Me visually notifies you of problems in the wiring or electronics of the controller by displaying a a bright red LED as well as a scrolling message on the front LCD display panel.

One-Button Watering

Start your system at the drop of a hat with the single push of just one button. No more fiddling with adjustments and overrides, get right to the point with ultimate simplicity.

Contractor Default

Customers and Contractors alike love us for inventing and installing the Contractor Default feature. Just like a factory reset, except it restores the controller back to the optimal programming input by the contractor. Now if a customer fiddles with the settings, you don't have to return to their property to restore the proper watering schedule. Win-Win.

Legendary Rain Bird Design

Rain Bird's famous ESP (Extra Simple Programming) and reliability make this controller a surefire winner.

Control Your Sprinklers With Your Voice!*

Note: Smart Home and Wifi features require the Rain Bird LNK Wifi Module plug in (Sold Separately)

Rain Bird ESP-Me 4 Station WiFi Ready Indoor Controller Rain Bird ESP-Me 4 Station WiFi Ready Indoor Controller

Product Details

Controller Dimensions

  • Width: 10.7 in. (27.2 cm)
  • Height: 7.7 in. (19.5 cm)
  • Depth: 4.4 in. (11.2 cm)
  • Station timing: 1 minute to 6 hours
  • Seasonal Adjust; 5% to 200%
  • Max operating temperature: 149°F (65°C)
  • Input required: 120 VAC 10%, 60Hz (International models; 230/240 VAC 10%, 50/60Hz )
  • Output: 25.5 VAC 1A
  • Master Valve/Pump Start Relay Operating Voltage: 24VAC 50/60Hz Max Coil Inrush: 11VA Max Coil Holding: 5VA
  • Idle/Off power draw 0.06 amps at 120VAC
  • Power back-up not required. Nonvolatile memory permanently saves the current programming and a 10 year life lithium battery maintains the controllers time and date during power outages.
  • UL, cUL, CE, CSA, C-Tick, FCC Part 15b, WEEE, S-Mark, IP24

Note* This controller is NOT compatible with the HUNTER PSR22 and PSR52

Rain Bird ESP-Me 4 Station WiFi Ready Indoor Controller

Station Expansion Modules

Optional Station Modules can be installed in the empty slots to the right of the Base Module to increase the station capacity up to 22 stations.

Rain Bird ESP-Me 4 Station WiFi Ready Indoor Controller

Note: 6-Station Modules are compatible withESP-ME3 and ESP-Me. They are not backwards compatible with the ESP-M vintage controller. For ideal station sequencing, insert 3-Station module after inserting all 6-station modules. For more details see the Owner's Manuals section.

Rain Bird
Product Tag:
Best Value
Product Type:
Controller (AC)
Enclosure Type:
Max Station Run Time (HRS):
3 Years
Light Commercial, Residential
Smart Features:
Remote Control Ready, WiFi
Power Source:
AC Powered
Number of Programs:
Start Times Per Program:
Sensor Compatible:
Rain Sensor Compatible:
Controller (AC)
Residential and Light Commercial
Average Rating:
5 Stars
5.0 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great Replacement
Bought this controller as a replacement for off brand unit in older home I had moved in to that was unreliable at best with little flexibility in scheduling. This is the 3rd ESP model I've owned over the years and even easier to set up and use than the earlier models. Price is competitive. Was a little hesitant about expansion module but it was simple to install and allows for future expansion at low cost.
April 15, 2014
over 6 years ago
Great Controller
I recently installed this controller on a job and I really like it. They no longer carry the one I used to order so I switched to this one as I wanted to keep everything rainbird.
August 2, 2013
over 6 years ago
easy to use
i purchased this timer for my little farm it is easy to program and has all the features that i need
March 30, 2014
over 6 years ago
Just installed today! Very easy to program, my 12 year old Son did it.
June 22, 2017
over 3 years ago
Best Controller out there
This controller is easy to use and have installed these on numorus jobs. I just ordered a second one for a controller that stopped working.
May 4, 2014
over 6 years ago
Nice unit when combined with the LNK WiFi
With the LNK it's nice to be able to turn circuits on and off without running back to the controller.
June 15, 2017
over 3 years ago
The Rainbird ESP-4MEI Controller is extremely functional
I am completely satisfied with the ESP-4MEI Controller. It was easy to install and had adequate space for the wires. I needed an 8 zone controller so I added a 6 zone expansion module. It is completely programmable and satisfies any irrigation task or irrigation program I require and I imagine it would be the same for most homeowners.

The programming task is fairly intuitive and easy. The many selections on the knob has a lot to do with that. The 4 programs and 6 start times per program meets and exceeds my requirements and gives total flexibility. It has the Rain Delay and Seasonal Adjust features which is a requirement for me and they are easy to set.

Overall I would highly recommend this controller.

July 23, 2017
over 3 years ago
Directly replaced previous modular model
Lightning got a hold of the old one. Buttons and controls rearranged, but otherwise equivalent. 3 zone expansion modules are compatible.
July 14, 2018
over 2 years ago
Great unit
Easy to install and simple to set up. Only difference between inside and outside units is built in transformer versus wall plugin transformer.
July 13, 2017
over 3 years ago
Much improved over the 1998 Model
Easier to use and more whistles and bells than the Rain Bird controller that was installed in our new home in 1998. That said the original worked well for a looong time. Only problem with installation was the box is a horizontal rectangle..instead of the original vertical rectangle shape...so needed to plaster over some old holes and make new ones. Label your wires before the switchover
July 2, 2018
over 2 years ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 20 questions Browse 20 questions and 92 answers
Why did you choose this?
SprinklerWarehouse.com Store
We have one ESP-ME controller already which has worked nicely. We had an issue with the lnk-wifi unit however Rainbird quickly sent a new one. Our issues with the WiFi unit appear to be related to fluctuations in WiFi signal strength. A new router seems to have solved the problem
C H on Jan 14, 2019
ease of use for my costumers
T H on Sep 4, 2018
We have one ESP-ME controller already which has worked nicely. We had an issue with the lnk-wifi unit however Rainbird quickly sent a new one. Our issues with the WiFi unit appear to be related to fluctuations in WiFi signal strength. A new router seems to have solved the problem
C H on Jan 14, 2019
It works great. Buying one for my neighbor
J M on Oct 5, 2018
ease of use for my costumers
T H on Sep 4, 2018
To replace one that is 20+ years ole
C M on Aug 28, 2018
Our current one is getting old and is in need of an upgrade.
T I on Jul 24, 2018
I already have a Rainbird controller and wanted to stick with them as they've been reliable so far.
R P on Jul 16, 2018
Closest to current burned out unit.
K E on Jun 30, 2018
seemed to best for my yard
Carol E on Jun 10, 2018
It is a replacement for my existing ESP-16-LX Plus
J V on Jun 5, 2018
This is a very simple easy to program and operate controller. You don't need to have a manual and go to college for 8 years to figure out how to operate it. I used on all my installs when I used to do installs and this is what I use when replace a customers old controller. You can also add the wifi module if you want to be able to control by using your phone.
Jeremiah L on May 25, 2018
Current sprinkler timer died. I'm eager to see how this one, recommended on your web site, works out. Thanks.
J B on May 24, 2018
appears to be simple to operate
Van on May 22, 2018
Good controller
Chris F on Mar 25, 2018
Easy to set up.
T M on Jan 16, 2018
Use rainbird already
B E on Oct 17, 2017
To replace an existing non-working unit
P E on Jul 25, 2017
Needed second controller. Already have RB control modules.
R A on Jul 14, 2017
I needed a controller to replace my defunct RB E-9i
L I on Jul 10, 2017
recommended replacement for RainBird controller I had that died.
K C on Jun 22, 2017
I needed a timer to go with the Toro EHC-01-04 Converter
Mark E on Jun 6, 2017
Recommended by local sprinkler company.
M I on May 21, 2017
Recommendation from our Lawn Service
J A on May 17, 2017
Top notch product from Rainbird for the price!
Anthony P on Dec 26, 2016
It works great. Buying one for my neighbor
J M on Oct 5, 2018
To replace one that is 20+ years ole
C M on Aug 28, 2018
What is the difference between Rainbird ESP-4MEI Controller for 74.98, and the ESP-4ME for $99.48? Can't find a compare option on this website.
A shopper on Jul 14, 2014
BEST ANSWER: 4MEI is an indoor model and 4ME is the outdoor model.
I have the Rain Bird ESP-ME controller but want to add the rain sensor...what model should I be looking for?
Steve L on May 30, 2014
Can you run a program twice in one day? My lawn is steep and has to be water for short times to allow the water to soak in instead of run off.
A G on Jul 29, 2017
Do Lithium batteries come with this?
A shopper on Mar 29, 2017
BEST ANSWER: There were no batteries included with my purchase of this unit.
Is this system compatible with link wifi?
A shopper on Feb 13, 2017
BEST ANSWER: To my knowledge, no. I don't recall seeing this option when I installed the controller, but this wasn't really critical for me as I program the controller and then forget it unless I'm overseeding or shutting it down for the winter.
Our Rainbird ESP-4TM is stuck in PR OFF. Checked/replaced the fuse, the lithium battery and the transformer all to no avail. Believe now it is a fault in the controller. What is a correct current product to easily replace the ESP-4TM? Thank you.
Mike C on Jun 3, 2013
BEST ANSWER: You may just be able to replace the modular in the timer. I have the rain bird ESP-MEI timer and love it. It is easy to use and has tons of features plus is upgradable to 22 zones by simple adding modulars. I have had mine for 3 months and have had no problems. I found it cheapest on the Sprinkler Warehouse website. Hope my advise helps and good luck.
I have a Rain Bird ESP Modular that is about 6 years old. Recently I noticed a very hot spot on the control panel just to the lower left of the digital screen. It was so hot, that it discolored the plastic face of the controller over the hot spot. I unplugged for fear of a fire. Any suggestion on whether it is a lost cause and must be replaced and if so, which unit will be a direct replacement?. I have 7 zones.
Rick M on Sep 24, 2013
BEST ANSWER: Rick, I am a underground sprinkler installer/contractor. I have found that same instance on two other occasions while on service calls. I did not take the time to try to figure out if it was fixable. Reason being it would be just as reasonable for the customer to purchase a new one as it would for them to pay for couple more hours of a service call and maybe still have to replace. The model you have now they do not make anymore it has been replaced with the Rain Bird ESP-MEI which comes with 4 stations and can go up to 23 stations I believe. It basically is a upgrade from the model you have and pretty much operates exactly how your model does so there would be no learning it all over again and since it takes either 3 station or the new 6 station modules the 3 station module that you have in your box can be taken out and used on your new box which saves you around 30 or 40 bucks I think with the risk factor of something like a fire it is worth the 80 to 100 you would spend for the newer model ESP-MEI. That is the only control box that I use in all of my new installs, I highly recommend the Rain Bird MEI. I hope that helps you with your dilemma.
Brock's Lawn & Sprinkler
my old controller had a rechargable 9v as a back up. Does this have a back up as I cannot see one? I see mention of a 9v battery but do not see one
A shopper on Jun 25, 2018
BEST ANSWER: The unit uses a Lithium battery for backup which is rated for ten years. I also understand it is not replaceable. The 9 volt battery is only used to program the controller away from the install site, i.e. a contractor programs the controller at his office.
How many programs can you run on the Rainbird ESP-4MEI?
mike s on Jun 4, 2016
BEST ANSWER: You can define four different programs (A, B, C & D)
I have an old Railbird ESP Modular. It just bit the dust. Can I just replace the faceplate on it with the new ESP ME?
A shopper on Apr 23, 2016
BEST ANSWER: Not sure since Rainbird has been changing their controllers. You would have to contact Rainbird.
Sorry I couldn't give you a firm answer.
Michael Wholey
22 "stations" means 22 zones, correct? To get 22 zones, do you buy the unit plus three ESP-SM6 modules?
SprinklerNewbie on Mar 8, 2016
BEST ANSWER: Yes. A station is a zone. I even doubled up on one and have two zones on one station. It works fine.
Have an older version of ESP Modular Controller ESP-4MI. Is it compatible with a wireless rain sensor?
If yes which one?
Monique W on Aug 25, 2013
I recently purchased the Rain Bird ESP-4MEI Timer. It was a replacement for a 35 year old rainbird timer that was in the house when I purchased it. I had installed a Hunter Wireless Rain Sensor with the old Rainbird.

I have connected the Hunter Wireless Rain Sensor to the new Rain Bird ESP. The instructions for the ESP Timer indicates that it is not compatible with a normally open rain sensors. So you will need a sensor that has a normally closed circuit.

The Hunter Rain Wireless Rain sensor has a receiver and a transmitter. The transmitter mounts outdoors. The receiver mounts next to and connects to the ESP Timer. The receiver has five wires. (two yellow, one blue, one white, and one orange) The two yellow wires connect to the 24 volt power source. For a normally closed system, which is what the ESP needs, calls for connecting the blue and white wires to the connections indicated in the timer. The orange wire is not used. If you had a normally open system you would use the blue and orange wires instead of the blue and white.

As I indicated I bought my Hunter Wireless rain sensor several years ago so I can not guarantee that the wire colors are the same, but the instructions should tell you the proper wiring. By the way the sensor did not come with the manual, I down loaded it from the Hunter web site.

So far the Sensor is working fine with the ESP timer.

Good luck
I want to create a schedule of watering for one day 12 hours apart? My current SST600 will allow two watering per day but I can not specify the intervals between them..
William D on Aug 26, 2015
BEST ANSWER: You can do this easily with the ESP-4MEI controller
I have a rainbird ESP-ME and the door is broken, can I get a replacement hinge and front door or modify another housing for it?
Elizabeth P on Nov 3, 2014
BEST ANSWER: Is it an indoor or outdoor controller? If it's indoor, and unit is in weather proof location, you have no need of door and no worries. If it is mounted outside, you must have a weatherproof door. If the door itself is broken, you may be able to get a new door from rainbird. If the hinge on controller box is broken... you just bought a new controller... unless you're handy and can improvise a tight cover.
what is the warranty on this product ?
A shopper on Oct 30, 2018
Do you have the zero module for the esp-4me?
A shopper on Jun 30, 2014
You and Rainbird have the Dimensions as:
•Width: 10.7 in. (27,2 cm)
•Height: 7.7 in. (19,5 cm)
•Depth: 4.4 in. (11,2 cm)

My Controller ESP-M dated 10AP08-1 has dimensions:
•Width: 9.7 in.
•Height:7.03 in.
•Depth: 4.4 in.

So will the ESP-4MEI be a direct snap in replacement for my ESP-M?

Ed Morris
252 916 7510
GoPack on Jun 3, 2013

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