12-Volt Electric Solenoid Valve with wall mount transformer is a low voltage solenoid valve that shuts off air to the pump when the 007 is in alarm condition. This valve can be located up to 350-feet away from the 007. The BJE 007580 007 SV 12-Volt Electric Solenoid Valve with wall mount transformer comes with a 1-year limited warranty that protects against defects in materials and workmanship.