Manufacturer Name: Lochinvar & A.O. Smith Product Number: 100110857 OEM Part Number: 100110857 Product Description: 24V 3.5" Wc 1/2"X3/4" Gas Vlv Weight:2.32lbs/1052.33g Lochinvar & A.O. Smith 100110857 Gas Valve is an electrically operated device, which main purpose is to regulate the amount of gas supplied to the system, particularly to water heater or boiler in HVAC systems ... https://www.partshnc.com/24v-35-wc-12x34-gas-vlv-9