K-Rain 3208-UWRFS Universal Wireless Rain/Freeze Sensor

The K‑Rain 3208-UWRFS is a universal wireless rain and freeze sensor kit, compatible with virtually any 24 VAC irrigation controller. It detects rainfall or freezing temperatures and wirelessly suspends irrigation to conserve water and protect your system.

• Universal Compatibility – Pairs seamlessly with most irrigation controllers via the built-in receiver—no need for proprietary tech 

• Auto Rain & Freeze Detection – Automatically halts watering after 1/8″ to 1/2″ of rain or when temperatures drop to 37 °F (3 °C) 

• Wireless, Battery-Free Design – No need for batteries or wiring the sensor; the weatherproof polymer receiver is power-connected and reliable .

• Dual Mounting Options – Includes flat-surface and gutter-mount brackets for flexible installation 

• Long-Range Signal – Maintains up to 300 ft line-of-sight between sensor and receiver, covering large properties 

• Low-Maintenance, Long Lifespan – UV-resistant materials and humidity discs require no batteries and last up to 8 years