The Lochinvar & A.O. Smith 100109718 LP Pilot Burner Assembly is a genuine replacement component designed to provide reliable pilot ignition in compatible LP gas-fired water heaters and commercial heating equipment. It works by producing a stable pilot flame that ignites the main burner when heat is required, ensuring safe and efficient system operation. Commonly used in Lochinvar and... https://www.partshnc.com/lp-pilot-burner-assembly-3