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This is the factory OEM replacement contactor (part number HN51KC024) for the Payne PA13NR02400GABAA split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to send 240V power to the compressor and condenser fan motor. When the contactor fails — due to worn or pitted contacts, a stuck plunger, or a burned-out coil — the outdoor unit will not energize at all, leaving your system blowing warm air despite the thermostat calling for cooling.
Compatibility: This contactor is the OEM-specified replacement for the Payne PA13NR02400GABAA 2-ton split-system air conditioner. Always verify coil voltage and pole configuration on your unit's wiring diagram or data plate before ordering. Our HVAC parts specialists are available to confirm fitment — just reach out before you buy. In stock and ready to ship today.