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OEM Carrier 2-Pole 24V Coil Definite Purpose Contactor for C4850C50ZG040900 | National HVAC Parts
Carrier

OEM Carrier 2-Pole 24V Coil Definite Purpose Contactor for C4850C50ZG040900 | National HVAC Parts

SKU: CARRIE-C4850C50ZG040900-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 C4850C50ZG040900

This OEM replacement contactor is the factory-specified high-voltage relay for the Carrier C4850C50ZG040900 packaged unit. The contactor acts as the primary switching device that connects line-voltage power to the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the unit will either fail to start entirely, run continuously without cycling off, or trip the breaker repeatedly. OEM part numbers HN53CB115 and HN53HF122 are both factory-authorized replacements for this application.

  • Specs: 2-pole configuration | 24V control coil | Heavy-duty contact rating | Direct OEM replacement — no wiring modifications required
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic contactors often use lower-grade alloys that pit and weld prematurely, leading to callback repairs and compressor damage from voltage irregularities.
  • Install Difficulty: 3/5 — Always shut off power at both the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wiring connections before removing the old contactor. Line-voltage terminals carry lethal current — do not proceed without confirming power is off.
  • Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3PM local time.

Compatibility: Engineered specifically for the Carrier C4850C50ZG040900 packaged unit. Cross-references OEM part numbers HN53CB115 and HN53HF122. Verify your unit's data plate confirms coil voltage and pole configuration before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you purchase — no guesswork.

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 C4850C50ZG040900 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50ZG040900 | 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 C4850C50ZG040900 | 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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