Manufacturer Name: Lochinvar & A.O. Smith Product Number: 100347812 OEM Part Number: 100347812 The Lochinvar & A.O. Smith 100347812 Thermopile Kit with Pilot is a replacement thermopile and pilot assembly commonly used in water heaters and boilers from Lochinvar and A.O. Smith. This kit is designed to generate the necessary voltage to power the gas valve, allowing the appliance t... https://www.partshnc.com/100347812-lochinvar-a-o-smith-thermopile-kpilot