Lochinvar & A.O. Smith 100109958 Gas Valve 319825-402 optimizing the air-gas mixture across

optimizing the air-gas mixture across varying load demands

and Payne heating units to ensure correct mounting and terminal alignment

providing consistent airflow for heat exchange efficiency

its materials are compatible with various neutral fluids

ensuring stable superheat control even in partial load conditions

Lochinvar & A.O. Smith 100109958 Gas Valve 319825-402 optimizing the air-gas mixture acrossThe Lochinvar & A. O. Smith 100109958 Gas Valve is a critical OEM replacement component designed for high efficiency liquid propane (LP) water heaters and boilers. Engineered to operate on a 24V circuit, this valve is factory calibrated to a 10" WC (Water Column) outlet pressure, ensuring precise fuel metering for optimal combustion stability. As a veteran grade HVAC replacement part, it features a 3 4" NPT connection, providing the robust seal