If the sensor is within range and the board has power but fails to energize the reversing valve or stop the outdoor fan during a forced defrost

Always verify oil levels and acid content when retrofitting older systems

Simplified Installation: Features a standard 1/2-14 NPT thread and requires no tools for coil mounting thanks to the clip-on design

The VM3312T33A000 valve assembly is built with a forged brass body and a high-temperature thermoplastic plug

providing versatile performance for legacy and retrofit applications

Carrier 327972-762 Gas Valve 318973-401 If the sensor is withinAs a service tech, you know that a failing gas control can shut down a residential system right when it's needed most. The Carrier 327972 762 Gas Valve is a Factory Authorized Parts OEM component specifically engineered for 70,000 BTU gas fired furnaces and boilers. This 2 stage gas valve, often manufactured by White Rodgers (model 36J55 618), provides precise manifold pressure regulation to ensure stable combustion. It features a standard 24V gas