the Williams 9806 12" Vent Tubes provide the necessary extension for Williams Forsaire direct vent furnaces

This is often caused by a failing draft inducer

wire connectors

How do I know if my Lennox flame sensor is bad

Genteq 3731 Motor Freon the Williams 9806 12" VentThe Genteq 3731 Motor is a high performance PSC condenser fan motor designed for contractors requiring a reliable, 3 4 HP replacement for demanding outdoor applications. Engineered with a 48 Nema frame size and a 5. 50 inch 1 2" diameter shaft featuring double flats, this motor ensures a secure fit for fan blades in both vertical shaft up and vertical shaft down orientations. Operating at 1080 RPM (standard 1075 RPM class) on a 208 230Vac single phase