making it a critical stock item for residential and light commercial service calls

Due to the Teflon seal material and high-temp coil

ensuring consistent discharge temperatures in modulating loops

Robust stainless steel construction resists oxidation and soot buildup to prevent pilot aperture clogging

Lochinvar & A.O. Smith 100108348 Gas Valve Refrigerant making it a critical stockThe Lochinvar & A. O. Smith 100108348 Residential Natural Gas Valve is the direct service replacement for legacy 37C73U 640 and 9000246005 control units. Engineered for tight manifold pressure regulation, this White Rodgers gas valve features an integrated Energy Cut Off (E. C. O.) high limit switch to prevent over temperature conditions in residential water heaters and boilers. As a veteran grade HVAC replacement part, it utilizes a 1 2 inch NPT