Description
- The 1173637 ICP Heil Tempstar Defrost Sensor Thermostat is a brand new ICP, Heil, Tempstar, Comfort Maker heat pump defrost sensor which comes in a sealed Fast OEM Parts bag.
- If your heat pump unit looks like a block of ice then you might need a new defrost temperature sensor. Other mechanical factors like being low on refrigerant charge, a stuck contactor or a bad defrost control board can cause heat pumps to freeze up.
