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this 4-way reversing valve operates effectively with R-410A
Simplified Installation: Standard vertical mounting design fits traditional 2-pipe terminal configurations with minimal retrofitting
the 203365A allows the unit to be powered by any convenient house circuit regardless of the HVAC system's specific electrical rating
Standardized Threading: Features a 3/8-16 UNC thread for universal compatibility with standard float stems and balls
Sterling 11J11R06779001 Pressure Switch 30067439-890 this 4-way reversing valve operatesThe Sterling 11J11R06779001 Pressure Switch is a critical safety component engineered specifically for Sterling and Beacon Morris gas unit heaters. This OEM spec differential air pressure switch is factory calibrated to a 0. 40" WC pressure setting (Water Column), providing the precise vacuum detection required for furnace inducer motor verification. As a vital link in the heating cycle, it monitors the combustion fan to ensure proper venting of flue