Williams P151800 Gasket Optimized Combustion: Proper orifice sizing

Optimized Combustion: Proper orifice sizing prevents excessive gas waste and soot buildup

Precision Machined: Ensures a perfect 45-degree SAE flare seat for metal-to-metal sealing

This genuine Totaline P291-0774 ensures your system maintains the correct phase shift and torque efficiency mandated by factory specifications

ensuring efficient motor ignition by handling pickup current up to 4

and the specialized 23466 Wrench required for secure installation

Williams P151800 Gasket Optimized Combustion: Proper orifice sizingThe Williams P151800 Gasket is a critical OEM replacement component engineered for high performance sealing within Williams Forsaire Direct Vent wall furnaces. Specifically designed as a pilot tube gasket, this part ensures an airtight seal at the control assembly interface, preventing combustion air leakage and maintaining precise manifold pressure. This gasket is compatible with several Williams furnace series, including the 4007, 5507, and 6007