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OEM Carrier Contactor HN51KC024 for Model HA1BJX024000AAAA
Carrier

OEM Carrier Contactor HN51KC024 for Model HA1BJX024000AAAA

SKU: carrier-contactor-ha1bjx024000aaaa Brand: Carrier
$42.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Contactor HN51KC024 for Model HA1BJX024000AAAA

This genuine Carrier definite purpose contactor (HN51KC024) is the electrical switch that energizes your compressor and outdoor fan motor whenever your thermostat calls for cooling. Engineered to spec for the Carrier HA1BJX024000AAAA 2-ton condensing unit, it delivers dependable 24V coil control and rugged silver-alloy contacts built to endure repeated high-amperage cycling without pitting or sticking. A worn or burned contactor is one of the most frequent reasons a unit hums but won't start, or refuses to shut off after the call for cooling ends. Replacement is a fast, straightforward repair for any HVAC technician: disconnect power, photograph the wiring, transfer each lead to its matching terminal, and remount. Most installs are done in under 30 minutes. Choosing the OEM part ensures exact coil voltage, pole configuration, and amp rating, protecting your compressor and maintaining warranty compliance. We stock this contactor and ship same-day on all orders placed before 3PM CST, getting your system cooling again fast. Order now from National HVAC Parts.

Compatibility

This part is compatible with Carrier model HA1BJX024000AAAA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier Model HA1BJX024000AAAA?
Yes. This is the factory-specified OEM contactor for the Carrier Model HA1BJX024000AAAA. 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 Model HA1BJX024000AAAA?
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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