Williams P151800 Gasket which significantly reduces friction loss

which significantly reduces friction loss and noise in high-velocity gas lines

High-efficiency 5-micron filtration prevents downstream equipment damage from solid contaminants

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

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

and nitrogen

Williams P151800 Gasket which significantly reduces friction lossThe 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