as this is an external solenoid coil

Durable Construction: Fabricated from high-grade materials to withstand constant thermal cycling and exposure to flue gas condensates

you know that keeping the heat pump from running during extreme low-ambient conditions is critical for preventing compressor strain and optimizing energy efficiency

Consistent Performance: The pre-installed 1-3 PSI outlet spring ensures accurate calibration for equipment requiring higher-than-standard delivery pressures

Always verify the HVAC part number against the model's data plate before installation

Lochinvar & A.O. Smith 100171955 Gas Valve R-410A as this is an externalThe Lochinvar & A. O. Smith 100171955 Gas Valve is a critical replacement component engineered for high efficiency commercial and residential water heating systems. As a genuine OEM gas valve, this part ensures precise fuel to air ratios and consistent manifold pressure, which are vital for maintaining the thermal efficiency of condensing boilers and high recovery water heaters. Built for professional grade reliability, the 100171955 is a direct drop