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this dual air pressure switch compatible component is built to restore system sequence operations and prevent safety lockouts
Direct OEM Fit: Drop-in compatibility for 100167886 and legacy A
and Comfortmaker residential and commercial HVAC units
Standard combustion blower assemblies typically require a high-temperature gasket for a proper seal
simplifying field wiring and stock requirements
Lochinvar & A.O. Smith 100141552 Damper 319848-301 this dual air pressure switchThe Lochinvar & A. O. Smith 100141552 6 Inch Vent Damper Assembly is a critical component for maintaining high combustion efficiency in atmospheric gas fired boilers and water heaters. This automatic vent damper is engineered to prevent standby heat loss by sealing the flue during the off cycle, preserving the residual heat within the heat exchanger and reducing fuel consumption across residential and light commercial applications. Built for rugged