Lochinvar & A.O. Smith 100233698 Gasket 321894-708 and Ducane furnace and air

and Ducane furnace and air handler models

To maintain system uptime without manual intervention

this unit is optimized for air-over continuous duty

Always verify against the Sporlan capacity chart for your specific application

this operator features a heavy-duty diaphragm and spring assembly housed in a rugged block (available in red or gray)

Lochinvar & A.O. Smith 100233698 Gasket 321894-708 and Ducane furnace and airThe Lochinvar & A. O. Smith 100233698 Gasket is a critical OEM replacement part engineered for high efficiency condensing boilers and commercial water heaters. This venturi gasket serves as the primary sealing interface between the blower fan and the venturi assembly, ensuring a precise air fuel mixture for optimized combustion efficiency. Fabricated from high grade synthetic elastomers, it provides excellent thermal resistance and structural