Rain Bird WR2 wireless rain/freeze sensor
Wireless; works with standard 24 VAC controllers.
Check price on Amazon ↗Sprinkler repair
Rain sensor not stopping your sprinklers?
Check the bypass switch, the jumper on the sensor terminals, the rain setting and what’s blocking rain from reaching it.
Check this first
- Test it: run all stations manually and press the sensor’s test button; watering should stop. Single-station manual runs ignore the sensor (Hunter).
- Remove the jumper on the controller’s sensor terminals and set any bypass switch to Active (Hunter).
- Check the setting and spot: set the rainfall amount, and keep the sensor clear of eaves and trees (Hunter).
- Look for wire damage. A staple through the sensor wire can short it so the controller never sees the sensor (Hunter).
- Wireless? Check the signal path, the address code and the transmitter battery (Hunter).
- Florida: state law requires automatic systems to have working rain shutoff technology (UF/IFAS, citing s. 373.62, Fla. Stat.).
▶ Watch howRain Bird WR2 Wireless Rain Sensor TroubleshootingOfficial Rain Bird video on YouTube ↗Parts you may need
Mini-Clik rain sensor (wired)
Wired rain sensor. Listed on Amazon as Mini-Click Rain Sensor.
Check price on Amazon ↗Affiliate links: as an Amazon Associate we earn from qualifying purchases. It doesn’t change what we list.
When to call a pro
Not comfortable digging up valves or testing wiring? The EPA suggests hiring an irrigation professional certified by a WaterSense labeled program (EPA WaterSense).
Find a pro →Steps summarized from the linked manufacturer and EPA pages (checked 2026-10-18). If your valve or head brand differs, follow its manual.