OEM Carrier 2-Pole Contactor HN52TC040 for Model GC072CBRNXET1XX1
This is the factory OEM replacement contactor (part number HN52TC040) for the Carrier GC072CBRNXET1XX1 condensing unit. The contactor is the high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to power the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a stuck plunger, or a burned coil — the outdoor unit will not respond when the thermostat calls for cooling, leaving you with warm air and a system that appears completely unresponsive.
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Specs: 2-pole configuration | 24V AC coil voltage | Heavy-duty contacts rated for high-amperage compressor loads | Direct OEM replacement for part number HN52TC040
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OEM vs Generic: This OEM contactor is manufactured to Carrier's exact contact gap, coil pull-in voltage, and amperage rating. Aftermarket contactors frequently use lower-grade contact materials that pit and weld faster, leading to repeat failures and potential compressor damage.
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Install difficulty: 3/5 — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before beginning. Tools needed: 1/4" and 5/16" nut drivers, flathead screwdriver, needle-nose pliers, multimeter. Photograph all high-voltage and low-voltage wire connections before removal. The 24V thermostat wires and line-voltage wires must be transferred exactly as wired on the original unit.
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Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our climate-controlled warehouse.
Compatibility: This contactor is the direct OEM replacement for the Carrier GC072CBRNXET1XX1 condensing unit. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you purchase — contact us and have your model and serial number ready.