Trane CNT4365 Defrost Control 321042-401 this genuine part typically includes

this genuine part typically includes the thermal sensing bulb required for accurate temperature feedback to the valve diaphragm

field-proven electrical switch designed for high-demand HVACR applications

you will need a dual-rated part or two separate single capacitors

5 Cv flow rating

Trane CNT4365 Defrost Control 321042-401 this genuine part typically includesThe Trane CNT4365 Defrost Control is a critical OEM replacement board designed to manage the initiation and termination of defrost cycles in residential heat pump systems. This solid state control board utilizes advanced logic to monitor evaporator coil temperatures, preventing excessive ice accumulation that can lead to compressor slugging or total system failure. By accurately timing the reversing valve operation and fan motor shutoff, the CNT4365