this solenoid coil facilitates the critical transition between heating and cooling modes by providing the electromagnetic force necessary to actuate the 4-way reversing valve

Key Benefits Precise Safety Calibration: Fixed 135°F cutout is factory-set to prevent overheating and potential heat exchanger stress

and gas valves without the risk of common voltage sags

which forces the unit to exceed its 135°F safety threshold

Weil Mclain 381-356-578 Transformer this solenoid coil facilitates theFor veteran contractors servicing residential gas boilers, the Weil McLain 381 356 578 Transformer is the dedicated OEM replacement for domestic water and hydronic heating controls. This 120 24 Volt, 40 VA foot mount control transformer is engineered specifically for the Weil McLain CGa (Series 2 and 3) and GV90+ (Series 2) residential boiler lines. Providing a stable 24V secondary output, it delivers the necessary 1. 67 amps required to power