Trane AY28X079 Cooling Kit 319847-401 2 Switch (110000) for standard

2 Switch (110000) for standard SPDT functionality

Verify your inducer motor shaft diameter before installation to ensure a proper fit

This pump features a standard 2-inch flange designed for commercial 2-bolt circular patterns

but specific wiring should follow the manufacturer’s schematic for your specific AHU model

Each OEM York heating element kit comes integrated with high-limit thermal cutouts to protect the unit from overheating in the event of a blower failure

Trane AY28X079 Cooling Kit 319847-401 2 Switch (110000) for standardMaintain 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