Lochinvar & A.O. Smith 100109888 Gas Valve 322057-301 you will typically need the

you will typically need the 197032 switch or a model-specific high altitude kit

this 1205-2020-001 heater repair kit provides the precise components needed to restore original factory specifications

This high-low combination unit features a 2-16"wc high and 1-6"wc low range

This is an emergency safety relief valve only

Lochinvar & A.O. Smith 100109888 Gas Valve 322057-301 you will typically need theThe Lochinvar & A. O. Smith 100109888 Gas Valve is an OEM natural gas control valve engineered for precision combustion in high efficiency boilers and water heaters. Designed for 24V applications, this negative pressure gas valve facilitates the exact air to fuel ratio required for modern condensing units. For technicians troubleshooting a "GV Relay Fail" or ignition lockout, this valve serves as the direct replacement to restore reliable burner