The Lochinvar & A.O. Smith 100074671 LP Manifold/Gas Valve Assembly is a replacement fuel delivery component designed for compatible propane-fired water heaters, boilers, and heating systems. It works by regulating and directing the flow of propane gas from the supply line to the burner, ensuring proper combustion and consistent heat output. The integrated gas valve helps maintain saf... https://www.partshnc.com/100074671-lochinvar-ao-smith-lp-manifoldgas-valve-assy