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this is a 24V relay designed for the low-voltage control side of the HVAC system
Suitable for various HFC and HCFC refrigerants including R-410A
System Compatibility: Serving as the primary replacement for 61-26019-14
Common Questions Is the 903423 combustion chamber compatible with all M1 models
Trane SWT3220 Pressure switch 322838-752 this is a 24V relayThe Trane SWT3220 is an authentic OEM furnace pressure switch engineered to maintain critical safety standards within residential gas furnaces and air handlers. Calibrated at 1. 29" WC (water column), this dual terminal SPST pressure switch functions as a normally open control that proves the draft inducer motor is moving sufficient combustion air through the heat exchanger. It features a universal 1 4 barb connection for seamless pneumatic tubing