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OEM Carrier Contactor 2-Pole 24V Coil for YAC42110YACX302AK
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for YAC42110YACX302AK

SKU: CARRIE-YAC42110YACX302AK-CONTACTOR-HN52KC053 Brand: Carrier
✓ Guaranteed to fit YAC42110YACX302AK — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Contactor HN52KC053 for Model YAC42110YACX302AK

This OEM contactor (part number HN52KC053) is the factory-specified high-voltage relay replacement for the Carrier YAC42110YACX302AK condensing unit. The contactor acts as the main power switch inside your outdoor unit — when the thermostat calls for cooling, the 24V control board energizes the contactor coil, closing the high-voltage contacts that supply power to the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioner that simply won't turn on, or one that hums but never starts. Burnt or pitted contacts, a stuck plunger, or a shorted coil are all telltale signs this part needs replacement.

  • Specs: 2-Pole design | 24V AC coil voltage | High-amperage rated contacts | Direct OEM factory replacement for HN52KC053
  • OEM vs Generic: This OEM contactor is manufactured to Carrier's exact coil pull-in voltage, contact material grade, and current rating. Generic contactors frequently use lower-grade contact alloys that pit and burn faster under compressor load, leading to repeat failures.
  • Install Difficulty: 3/5 — Always shut off power at both the disconnect box and the breaker before proceeding. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and electrical tape. Photograph all wiring before disconnecting. Discharge any capacitors in the unit before working near the contactor.
  • Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our NationalHVACParts.com warehouse.

Compatibility: Direct replacement for Carrier model YAC42110YACX302AK. Always verify your existing contactor's pole count, coil voltage, and amp rating against your unit's data plate and wiring diagram before ordering. Need help confirming fitment? Our HVAC parts specialists are ready to assist before you buy.

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 $99
  • 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 YAC42110YACX302AK?
Yes. This is the factory-specified OEM contactor for the Carrier YAC42110YACX302AK. 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 YAC42110YACX302AK?
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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