Heater Coil Core for Red Dot R-3500 Units 76R3920

The heater coil core, transfers heat from the engine coolant to the interior of the vehicle cabin. The heater coil is typically mounted within the vehicle cabin in conjunction with an electric fan to provide airflow to allow heat transfer from the coil to the cabin air. The heater coil is often packaged in conjunction with the A/C Evaporator coil. Heated air from the heater coil is often blended with cold air from the A/C evaporator to provide precise control of vent discharge temperatures. In general, heater coils are designed to fit a specific vehicle configuration.