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This is the factory-specified OEM contactor (part number HN52TC040) for the Carrier GC036HSRCXET1XX1 heat pump system. The contactor is a high-voltage relay that opens and closes the electrical circuit between your disconnect box and the compressor and condenser fan motor. When the thermostat calls for cooling or heating, the 24V control circuit energizes the contactor coil, pulling in the contacts and allowing line voltage to power the system. A failed contactor is one of the most common reasons a heat pump or air conditioner appears completely dead — the unit receives the thermostat signal but nothing runs.
Compatibility: Designed as a direct drop-in replacement for the Carrier GC036HSRCXET1XX1 heat pump. Always verify the pole count, coil voltage, and amperage rating on the existing contactor's data label before ordering to confirm fitment. Our parts specialists are available to verify compatibility before you purchase — no guesswork required.