Williams P501704 Gas Valve Els PW 17895 this Sure-Flex Plus flange is

this Sure-Flex Plus flange is specifically designed to be 100% interchangeable with Size 10 Type S flanges across major brands

Rugged Construction: Features a heavy-duty plated steel frame and laser-welded bellows for maximum durability in harsh environments

each Utica-Dunkirk 550001939 kit includes a specialized Garfoil ignitor gasket (Part #1250014) to ensure a high-temperature

Precision Safety: High-sensitivity vent safety switch detects flue blockages to prevent CO poisoning

ensuring compatibility with standard gas

Williams P501704 Gas Valve Els PW 17895 this Sure-Flex Plus flange isThe Williams P501704 Gas Valve is a critical OEM replacement part engineered for precise manifold pressure regulation in Williams Furnace heating systems. This natural gas control valve is factory set for a 3. 5" WC (Water Column) output to maintain optimal combustion efficiency and thermal output. Designed with standard 1 2" NPT connections, it ensures a secure, leak resistant interface with existing gas manifolds and pilot lines. Primarily utilized