Lochinvar & A.O. Smith 100233609 Gasket 323080-701 Precision-engineered OEM Lennox part ensuring

Precision-engineered OEM Lennox part ensuring exact 1-7/8 inch shaft sizing for compatible blower wheels

OEM Durability: Built as a genuine Trane part

When installed correctly

Complete Hardware Set: Includes necessary mounting brackets and 64391 conversion tape for a streamlined installation

While it features the standard tapped port for a thermocouple or thermopile connection

Lochinvar & A.O. Smith 100233609 Gasket 323080-701 Precision-engineered OEM Lennox part ensuringThe Lochinvar & A. O. Smith 100233609 Gasket Flapper Valve is a critical OEM replacement component engineered for high efficiency condensing boilers and commercial water heaters, including the Lochinvar Armor X2 and Shield SN126 401 series. As a veteran grade HVAC flapper valve, this part serves as a directional check mechanism within the combustion or venting assembly, preventing hazardous exhaust gas backflow and maintaining proper pressurized seal