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This OEM contactor is the factory-specified replacement for the Carrier PY3PEA036090NA condensing unit. The contactor acts as the high-voltage switching relay in your air conditioner — when the thermostat calls for cooling, a 24V signal energizes the contactor coil, which closes the high-voltage circuit to power the compressor and condenser fan motor. When a contactor fails, you'll typically see symptoms like the outdoor unit failing to start, contacts that are visibly burned or pitted, or the compressor running continuously without cycling off.
Compatibility: Fits Carrier model PY3PEA036090NA condensing units. Note: OEM part number HN52KC025 has been superseded; this listing ships the current authorized OEM equivalent (HN52KC024 / 2-Pole 30A 24V). Verify pole count, amperage, and coil voltage on your unit's data plate before ordering. Have a fitment question? Our HVAC parts specialists confirm compatibility before you buy — reach out before placing your order.