Description
The Trane CNT4364 defrost control board is a genuine OEM HVAC component designed to manage and optimize the defrost cycle in heat pump and packaged refrigeration systems. It monitors key conditions such as evaporator temperature, refrigerant pressure, and ambient conditions to initiate and terminate defrost cycles appropriately, helping prevent ice buildup on outdoor coils and maintain peak system efficiency during cold weather operation.
Key Features
- Genuine Trane OEM defrost control board engineered for reliable management of defrost cycles in outdoor HVAC equipment.
- Helps prevent ice buildup on coils, improving heat exchanger efficiency and system performance in cold conditions.
- Controls transitions between cooling and defrost modes to protect system components and maintain comfort.
- Ideal as a direct replacement for older defrost boards like CNT4364, with the updated replacement part CNT04364 available.
- Suitable for use in Trane packaged units, heat pumps, and rooftop HVAC systems requiring automated defrost control.






