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Hunter RFC Wired Rain And Freeze Sensor

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Hunter RFC Wired Rain And Freeze Sensor

 Most rain-sensing devices work by accumulating a set amount of rainfall before a switch is activated that interrupts the circuit from the controller and shuts off the system. In that accumulation time, the system will unnecessarily continue to water. This can look especially bad for conservation-conscious municipalities, businesses, and residences. With built-in Quick Response technology, the Hunter Rain-Clik and Wireless Rain-Clik can command a controller to shut off right when it starts to rain. The Rain-Clik can be mounted on an eave or any flat vertical surface like a wall or fence. A gutter mount is also available that allows for easy installation of the Rain-Clik on the edge of a gutter.

Hunter RFC Wired Rain And Freeze Sensor

Product Details

  • Quick Response feature shuts the system off as soon as it starts raining
  • Maintenance-free design with 10-year battery life for Wireless Rain-Clik
  • Adjustable vent ring allows for setting of reset delay
  • Rugged polycarbonate housing and metal extension arm
  • Rain-Clik includes 25' of 20 AWG sheathed, two-conductor, UL-approved wire
  • Wireless unit available with 800 ft. range from wireless sensor to receiver
  • Warranty period: 5 years (10 year battery warranty for wireless model)
  • Compatible with most controllers
  • Wiring: "normally open" or "normally closed"
  • Time to turn off irrigation system: 2 to 5 minutes approx. for Quick Response
  • Time to reset Quick Response: 4 hours approx. under dry, sunny conditions
  • Time to reset when fully wet: 3 days approx. under dry, sunny conditions
  • UL listed, CUL (CSA), CE
  • Switch rating: 24 VAC, 3 A
  • Freeze sensor shuts system off when temperatures fall below 37 degrees F (Rain/Freeze-Clik model)
  • System operating frequency: 433 MHz
  • UL listed, FCC approved, suitable for use in Australia, CUL (CSA), CE
  • Communication range up to 800 ft. line of sight (Wireless model)
  • Receiver input power: 24 VAC (from controller)
Product Type:
Rain and Freeze Sensor
Sensor Material:
Rain and Freeze Sensor
Sensor Connection:
Average Rating:
5 Stars
5.0 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Best basic sensor
I use these on all controllers, unless a more sophisticated sensor is requested. It just makes sense to have the freeze sensor as well as rain, for liability issues.
May 26, 2014
over 6 years ago
Awesome sensor!
Installed the sensor about 7' up the outside wall of our ball field's pump house. Baseball and football fields are watered from this source. I have a Hunter wireless access control and can see from my smart phone when the sensor has become "active" and has stopped the watering program due to rain. Works just as advertised and can also accept customized programming.
October 17, 2017
over 3 years ago
Easy install unless you're OCD about wires
Just got it installed... Might need to paint the wire to match the house color.
July 28, 2018
over 2 years ago
Rain/freeze sensor
Easy to install and setup, worked fine with first rain
July 2, 2019
1 year ago
Easy to install. Now for a little rain to see how it performs.
August 31, 2018
over 2 years ago
Great experience
Shopping experience was great. Product arrived on time and was packaged well.
March 27, 2018
over 2 years ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 17 questions Browse 17 questions and 55 answers
Why did you choose this?
SprinklerWarehouse.com Store
I wanted a wireless rain sensor but it is not compatible with a battery powered controller.
I R on Feb 15, 2019
I know how to install
M A on Jul 25, 2018
I wanted a wireless rain sensor but it is not compatible with a battery powered controller.
I R on Feb 15, 2019
direct wired. matches the sprinkler control panel. price.
office on Aug 2, 2018
I know how to install
M A on Jul 25, 2018
Keeps me from having to suspend or reprogram the controller. Also the freeze sensor allows for a suspension of watering winter rye due to freezing temperatures that may cause damage to the system and/or pump.
Fred L on Sep 5, 2017
Improve efficiency of sprinkler system.
S A on May 9, 2017
"Keeps me from wasting water even on a well and keeps it from running in freezing weather."
Bob M on May 22, 2012
direct wired. matches the sprinkler control panel. price.
office on Aug 2, 2018
Keeps me from having to suspend or reprogram the controller. Also the freeze sensor allows for a suspension of watering winter rye due to freezing temperatures that may cause damage to the system and/or pump.
Fred L on Sep 5, 2017
is this product wireless?
A shopper on Mar 28, 2012
BEST ANSWER: The picture looks like the wireless one that I want to replace, but when it came, it was not wireless. They shipped the wired one. I went back to look at my order confirmation, it said I bought the wired one, so I assume I made a mistake. Now I am sitting here with a wired sensor which I will need to hire someone to install it. So be very careful when you order. I wished I have talked to someone to make sure.
where is the battery located in the sensor?
A shopper on Jan 25, 2016
BEST ANSWER: There is not a battery in the sensor. The sensor is just a switch that make contact upon sensing moisture.
It is connected to the timer/controller by low voltage wires. The power comes from the timer/controller which may or may not have a battery backup so you do not loose the program on power failure.
Is this sensor relying on collected water or is it the cork expandable type?
A shopper on Aug 13, 2013
BEST ANSWER: I returned the wired version because I needed the wireless. I have no idea about the cork vs collected water, but the sensor seems to work fine.
I have a wireless rain sensor installed in 2004, I've never seen the sprinklers turn off when rained, but there is an red led light on the bottom of the sensor is it supposed to be lit up all the time or only when it's working. The rain monitor in the garage is never green does that mean the wireless sensor outside stopped working and needs to be replaced? I also tried holding down the sensor button with the sprinkler system set to water all stations but it never turn the sprinklers off. Please advice!
A shopper on May 26, 2012
BEST ANSWER: I would replace it. Make sure that the model you select is DIRECTLY compatible with your existing unit. Don't go by the photos. I ordered and received the wrong one, sent it back (on my dime) and ordered another after carefully studying the specs. They picked the wrong one or had wrong information listed. The second one had wire leads to be attached to a power supply, I was glad that I had saved the lower battery unit and carefully used heat shrink tubing and a soldering iron to combine the two. Good luck, I wished I would have just paid $80 to my local sprinkler company. :/
I have a Hunter RFC wireless sensor and it is giving a shut off signal (red light) to the irrigation system even though it has not rained several days. I have not seen a green light on the sensor panel for months.

Apparently there is no battery that needs to be replaced. What can one do to reset the sensor, or is it not repairable?
James K on Mar 27, 2012
BEST ANSWER: Don't forget, this is a Rain/Freeze sensor! If the outside temperature drops below freezing, the sensor will shut off the irrigation system and the red light will stay on all winter till it warms up. If you have set the sensor's vent ring to the low end, it could take days after a rain for it to dry out and re-enable your irrigation system. Battery life is usually warranted for 10 years or so in wireless models.
how do you replace the battery?
A shopper on Dec 31, 2011
There are no batteries to replace on this unit, it is hard wired to your controller unit thusly it gets its power from the controller.

If you are looking to buy a new unit, look at the solar sync by hunter, it comes in both wired and not wired options as well as adjusts your watering daily, not just on and off as with this and most other sensors. I like the X-Core Hunter controllers with the wireless sensor set up the best, very easy to install and maintain, but if you need to save a couple of bucks the wired sensor works as well, just have to put up with a wire running down from a roof top to your indoor or outdoor controller

Thomas... Premier Landscaping... Oregon
Are wired rain/freeze sensors from all manufacturers compatible with all controllers? If I understand correctly, the sensor just functions as a switch for a low voltage signal that opens or closes as necessary to inhibit/allow watering.
A shopper on Jul 15, 2016
BEST ANSWER: I have always treated them as simple switches and never had any issues. The answer is generally, yes.
Is this sensor compatible with the Hunter ICC 800 controller?
Chris on May 3, 2016
BEST ANSWER: Yes. My information shows the RFC is compatible with all Hunter ICC series controllers.
Great unit. My RFC is on the job in Texas.
I have 3 rainbird controllers.At present I have 1 orbit sensor wired to all 3.Can I do the same with a hunter rain/freeze sensor?
jerry c on Dec 18, 2012
BEST ANSWER: Sure can, if the controllers are next to each other if not it would be best to get more sensors.
what all do you need for a 1 acre lot w non freeze unit?
A shopper on Feb 3, 2012
BEST ANSWER: you need to know your water supply, flow in gpm or gph and your pressure to start off with, then you can determine how many zones you are gonna need. remember if you have different plant needs such as shady beds, sunny beds, lawn, ornamental tress etc they all require different water schedules thus adding to the number of zones you will need. Once you have determined the number of zones then its a backflow preventer as required by your local / state goverment. then a good manifold, solenoids for each zone, a good controller that will handle the number of zones you have and one that will be mounted either indoors ( such as a garage or shed ) or outdoors, with the features you want and then you can select the type of sensor you need. the Hunter XC's are nice and inexpensive but only handle up to 8 zones, you may need more. Always always always get a controller with the ability to have more zones than you originally plan on as things often change down the road.
Licensed Landscaper and Irrigation specialist in the state of Oregon
Does this unit work with the a Hunter SRC, Mini-Clik wireless rain senor?

My roof was being replaced on my commercial building and the roofing company threw away the senor. I still have the SRC and transmittor.
A shopper on Oct 18, 2011
BEST ANSWER: It works just fine with my Rainbird.
Can I connect this to 3 rainbird controllers?
jerry c on Dec 18, 2012
BEST ANSWER: It might take some interesting wiring, but mine is connected to a Rain Bird ESP-Me controller and it works.
I'm replacing an existing Pro C, three station controller and I want to add a freeze and rain sensor. The Pro C is hard wired into an electrical box...do I need to know any special terms to order the exact same box? Maybe I need to look it over more closely.
Jim D on May 5, 2014
Cost on sprinkler system for 1 acre lot non freeze unit?
A shopper on Feb 3, 2012

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