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Verify your inducer motor shaft diameter before installation to ensure a proper fit
and Payne residential heating systems
the CTC-1621 allows for field adjustment between 3
Dual Seating Design: Allows for total isolation of the indoor coil or outdoor unit when front-seated
venting flue gases out of the heat exchanger to ensure safe operation and prevent pressure switch trips
Trane AY28X079 Cooling Kit 319847-401 Verify your inducer motor shaftMaintain critical head pressure and prevent evaporator freeze up with the Trane AY28X079 Low Temp Cooling Kit. This evaporator defrost control is a vital integration for commercial and industrial 4TTR6, 4TTA3, and BYC systems, enabling reliable low ambient cooling down to 30F. By cycling the compressor when the indoor coil approaches frost conditions, this condenser fan cycle control prevents oil dilution and ensures stable HVAC refrigerant pressure