HydroRain Low Voltage (13-volt) Latching Solenoid to expand your existing HydroRain battery operated sprinkler timer . Runs on power from 3AA batteries in the timer's unit, Cable length 18", Full waterproof construction. Use with HydroRain valves HRJ-02001 to expand your battery system (HRC-990) from a one valve up to 4 battery inline valves.

Also compatible with Orbit valves OV-57860, OV-57461, OV-57467, OV-91331 and OV-91467.