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This is the OEM factory-specified contactor for the Carrier PY1PEB042060AAAA packaged heat pump unit (OEM Part # HN52KC025). The contactor is the high-voltage relay that bridges your 24V thermostat control circuit to the 240V compressor and condenser fan power circuit. When the thermostat calls for cooling or heating, the 24V coil energizes and closes the contacts, sending line voltage to the compressor. A failed contactor is one of the most common reasons a packaged unit will not start — symptoms include the system humming without compressor engagement, burned or pitted contacts visible on inspection, or the unit simply not responding to thermostat calls.
Compatibility: Engineered specifically for the Carrier PY1PEB042060AAAA packaged heat pump unit. Confirm OEM part number HN52KC025 and coil voltage on your unit's data plate before ordering. Not sure if this part fits your unit? Our HVAC parts specialists verify fitment before you order — just reach out.