Trane CNT4365 Defrost Control 321042-401 The quantity depends on the

The quantity depends on the size of the filter bank

To ensure rock-solid mechanical linkage

5 Cv flow rating

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

PWM control (1500 Ohm)

Trane CNT4365 Defrost Control 321042-401 The quantity depends on theThe 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