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OEM Carrier 2-Pole Contactor HN52TC040 for TCHC2550HECMRAP902
Carrier

OEM Carrier 2-Pole Contactor HN52TC040 for TCHC2550HECMRAP902

SKU: CARRIE-TCHC2550HECMRAP902-CONTACTOR-HN52TC040 Brand: Carrier
✓ Guaranteed to fit TCHC2550HECMRAP902 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor HN52TC040 for Model TCHC2550HECMRAP902

This OEM contactor is the factory-specified replacement part for the Carrier TCHC2550HECMRAP902 heat pump/condensing unit. The contactor is a high-voltage relay that switches line-voltage power to the compressor and condenser fan motor when it receives a 24V signal from the thermostat or control board. A failed contactor is one of the most common reasons a system runs at the air handler but the outdoor unit won't energize — symptoms include a humming outdoor unit with no compressor start, burned or pitted contact points, or a system that fails to respond to a cooling or heating call entirely.

  • Specs: 2-Pole configuration | 24V control coil | Factory OEM part number HN52TC040 | High-cycle-rated contact points for reliable long-term switching
  • OEM vs Generic: This OEM unit is manufactured to Carrier's exact coil voltage and contact ampacity specifications. Generic contactors may feature substandard contact material that pits or welds under high-load cycling, leading to premature failure and potential compressor damage.
  • Install Difficulty: 2/5 — Always shut off power at the disconnect and breaker before beginning. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before removing the old contactor. Swap wires one at a time to avoid miswiring.
  • Warranty: 1-year OEM factory warranty. Orders ship same business day from our warehouse when placed before 3 PM local time.

Compatibility: Engineered as a direct OEM replacement for the Carrier TCHC2550HECMRAP902. Always verify your unit's data plate and existing contactor pole count and coil voltage before ordering. Not sure it fits? Our HVAC parts specialists verify fitment at no charge — reach out before you order.

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 TCHC2550HECMRAP902?
Yes. This is the factory-specified OEM contactor for the Carrier TCHC2550HECMRAP902. 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 TCHC2550HECMRAP902?
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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