Williams 9902 Adapter 319825-402 It is recommended to verify

It is recommended to verify the gasket condition or source a new one to prevent flue gas leakage at the mounting surface

this valve ensures rapid pressure equalization during emergency events

ensuring accurate detection of air pressure differentials in the combustion blower circuit

Designed for the rigors of mechanical rooms

providing superior thermal resistance in demanding industrial environments

Williams 9902 Adapter 319825-402 It is recommended to verifyThe Williams 9902 Vent Adapter is a critical component for surface mounted furnace installations where standard venting configurations are not feasible. Field engineered for Williams Monterey and Forsaire single sided heaters, this top vent adapter facilitates high integrity exhaust connections, particularly when venting into a properly lined chimney. It is specifically designed for systems without a blower motor installed; for configurations