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OEM Carrier Contactor 2-Pole 24V Coil for C48A402711 HN53CB115 | National HVAC Parts
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C48A402711 HN53CB115 | National HVAC Parts

SKU: CARRIE-C48A402711-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C48A402711 — HN53CB115

This OEM replacement contactor (part number HN53CB115) is the factory-specified high-voltage relay for the Carrier C48A402711 packaged unit. The contactor acts as the primary switching device that closes the high-voltage circuit to the compressor and condenser fan motor whenever the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a mechanically stuck armature — the system will not respond to cooling demand, leaving you with warm air or a completely unresponsive unit.

  • Specs: 2-pole configuration | 24V AC coil voltage | Factory-rated ampacity for compressor load | Direct OEM replacement per part number HN53CB115
  • OEM vs Generic: This is a genuine Carrier OEM contactor manufactured to exact factory specifications. Generic contactors may use undersized contact materials that pit and burn faster under high-amperage compressor loads, leading to repeat failures within a single cooling season.
  • Install Difficulty: 3/5 — Requires shutting off power at both the breaker and disconnect box before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, and a multimeter to verify coil continuity. Photograph all wiring before disconnecting terminals. Ensure power remains OFF until installation is fully complete.
  • Warranty: Backed by a 1-year OEM factory warranty. Orders placed by 3 PM local time ship the same business day from our stocked warehouse.

Compatibility: Designed specifically for the Carrier C48A402711 packaged unit. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering to ensure proper fitment. Our HVAC parts specialists are available to confirm compatibility before you buy — no guesswork required.

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 C48A402711 HN53CB115 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C48A402711 HN53CB115 | National HVAC Parts. 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 C48A402711 HN53CB115 | National HVAC Parts?
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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