The Parker 78033 Coil

Using a genuine Johnson Controls York 025-47116-005 ensures seamless integration with the existing system controller over the refrigerant flow control circuit

the Carrier 20010004 maintains uniform operation while preventing electrical component damage

ensuring precise airflow management and optimal thermal regulation for hospitality and residential units

including custom pre-purge and inter-purge sequences

Trane CNT08177 Defrost Board 319852-301 The Parker 78033 CoilWhen resolving ice accumulation issues on outdoor heat pump coils, the Trane CNT08177 Defrost Board is the precise field replacement required for residential and light commercial units. This OEM Trane control board (superseding CNT07932 and D161244G01) manages the critical transition between heating and defrost modes. By monitoring the outdoor ambient temperature and liquid line thermistors, the Trane CNT08177 ensures the reversing valve and outdoor