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OEM Carrier Contactor 2-Pole 24V Coil HN52TC040 — GC072HSRNDET1XX1
Carrier

OEM Carrier Contactor 2-Pole 24V Coil HN52TC040 — GC072HSRNDET1XX1

SKU: CARRIE-GC072HSRNDET1XX1-CONTACTOR-HN52TC040 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor HN52TC040 for Model GC072HSRNDET1XX1

This OEM contactor (part number HN52TC040) is the factory-specified high-voltage relay for the Carrier GC072HSRNDET1XX1 packaged or split-system unit. The contactor acts as the primary switching relay that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a stuck plunger, or a burned coil — the system will not respond to a cooling demand, leaving the outdoor unit completely dead despite the thermostat calling for operation. In some cases, a failing contactor will chatter loudly or cause nuisance tripping at the breaker.

  • Specs: 2-pole configuration | 24V AC coil voltage | Factory-rated amperage matched to GC072HSRNDET1XX1 | Replaces OEM part number HN52TC040
  • OEM vs Generic: This OEM contactor uses silver-alloy contact tips rated to factory specifications, ensuring reliable pull-in voltage and long contact life. Generic contactors often use inferior contact materials that pit and weld prematurely, especially in high-cycle climates.
  • Install difficulty: 3/5 — Always disconnect power at the disconnect box AND the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all high-voltage wiring connections before removal. Confirm coil voltage with a multimeter prior to replacement.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before 3 PM EST ship same business day from our stocked warehouse.

Compatibility: Designed and factory-matched for the Carrier GC072HSRNDET1XX1. Verify pole count, coil voltage, and amperage rating on your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — don't guess on a contactor. Order today and get your system back online fast with same-day shipping.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier OEM Carrier Contactor 2-Pole 24V Coil HN52TC040 — GC072HSRNDET1XX1?
Yes. This is the factory-specified OEM contactor for the Carrier OEM Carrier Contactor 2-Pole 24V Coil HN52TC040 — GC072HSRNDET1XX1. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the contactor on my Carrier OEM Carrier Contactor 2-Pole 24V Coil HN52TC040 — GC072HSRNDET1XX1?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Open condensing unit panel. Step 3: Photograph ALL wiring on the contactor. Step 4: Label each wire with tape. Step 5: Disconnect wires and remove old contactor. Step 6: Mount new contactor, reconnect wires matching your photo. Step 7: Restore power and test.
My AC clicks but the compressor won’t turn on. What’s wrong?
Clicking from the outdoor unit without the compressor starting = worn contactor. The contactor sends power to the compressor. When its contacts are pitted, it clicks but can’t make solid contact. Look for: visible pitting/burn marks on the contactor face, intermittent operation, or buzzing.
Is this contactor compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier contactor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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Mike Rivera
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