The Lochinvar & A.O. Smith 100347812 Thermopile with Pilot Assembly is a replacement ignition and safety component designed for compatible gas-fired water heaters and heating equipment. The pilot assembly produces a steady flame, while the thermopile converts heat from the pilot flame into electrical energy to help operate the gas control system. This assembly supports reliable igniti... https://www.partshnc.com/100347812-lochinvar-a-o-smith-thermopile-kpilot