The Bray Commercial 630250-21411536 is a 3-wire solenoid valve designed for reliable fluid or gas flow control in HVAC and commercial systems. Operating on 120V power, the solenoid uses an energized electromagnetic coil to move an internal plunger, opening or closing the valve as required by the control signal. Its NEMA-7 enclosure provides protection for installations where hazardous... https://www.partshnc.com/630250-21411536-bray-commercial-120v-nema7-3wire-solenoid