Description
The Heatcraft Refrigeration 4400S Defrost Heater removes frost accumulation from evaporator coils by generating controlled heat during scheduled defrost cycles. It operates through an electric heating element rated at 600W and 230V, producing consistent heat output to clear ice buildup in HVAC systems such as commercial refrigeration units and unit coolers. Measuring 25″ in length, it is fitted near the evaporator coil assembly to distribute heat evenly across the frost-covered surface. Its operation supports efficient coil performance, it maintain proper airflow, and contributes to stable cooling system operation.
