Central Air Conditioner Heat Pump Defrost Control 1173637

This heat pump defrost control (part number 1173637) is for central air conditioners.

Heat pump defrost control 1173637 monitors the temperature of the heat pump coils and signals the control board to start or stop the defrost cycle.

Shut off the circuit breaker to the air conditioner condensing unit before installing this part. Wear work gloves to protect your hands during the repair.