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This OEM replacement contactor (part number HN52KC025) is the factory-specified high-voltage relay for the Payne PA3ZPA036000AA split-system air conditioner. The contactor acts as the main switching device between your thermostat's 24V control signal and the high-voltage power supply to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck armature — your outdoor unit will not energize even when the thermostat calls for cooling. You may hear a click with no compressor startup, or the unit may fail to respond entirely.
Compatibility: Designed specifically for the Payne PA3ZPA036000AA 3-ton split-system air conditioner. Verify coil voltage and pole configuration on your unit's data plate or wiring diagram before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you order for complete peace of mind. In stock and ready to ship today.