OEM Reliability: Built with factory-validated materials to ensure long-term pressure regulation stability without drifting

Common indicators include high-pitched squealing during the dispense cycle

bulb mount strap

providing reliable fail-safe performance

utilizing Y input from the thermostat and high-pressure switch

Sanhua International COIL-SHF-FA4 Coil 321702-401 OEM Reliability: Built with factory-validatedFor service calls involving failed heat pump operation or improper refrigerant cycling, the Sanhua COIL SHF FA4 is the professional grade solution for restoring 4 way reversing valve functionality. This 24V AC solenoid coil is engineered specifically for SHF series valves, providing the electromagnetic force necessary to actuate the pilot valve and shift the internal slide. Featuring a robust spade terminal connection and an included wire harness,