Taking water management to the next level, the proven Irritrol® RainSensor™ Series makes watering in the rain a mistake of the past. The reliable wireless and wired rain sensors conserve water by preventing irrigation during or after sufficient rainfall, while the wireless rain/freeze sensor also helps reduce vegetation damage and icing conditions when the temperature drops below a predetermined set point. With its compact design and host of convenient features, the RainSensor Series is the perfect complement to any standard controller.

Housing Material
UV-resistant engineered polymer
Load Rating
normally open or normally closed — 3A @ 24 V ac
Operating Temperature
-20°F to 120°F
Rain Sensitivity
adjustable nominal 1⁄8" to ¾"
Receiver Power
22-28 V ac/V dc, 100mA (to be used with Class 2, UL-approved (transformer)
Sensor Type
industry-standard hygroscopic discs
UL Listed
Wireless only Features
Transmission range: up to 300' line-of-sight - Battery: Two CR2032 3V cells, 5-year life (typical) - Frequency: 418MHz
Models Description
RS1000 Wireless RainSensor™
RFS1000 Wireless rain/freeze sensor
RS500 Wired RainSensor™
Dimensions Description
Transmitter H: 1 ½”, W: 1 ¾”, D: 3 ¾”
Receiver H: 1 ½”, W: 1”, D: 3”
RFS1000-RX rain/freeze receiver for multiple controllers
RS1000-RX rain receiver for multiple controllers
RSBATT-TX battery pack (includes 2 batteries)
RSCAP cap/disc/spindle assembly