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OEM Carrier Contactor 1-Pole 25A 24V for PY1PNA036120ACBA
Carrier

OEM Carrier Contactor 1-Pole 25A 24V for PY1PNA036120ACBA

SKU: CARRIE-PY1PNA036120ACBA-CONTACTOR-HN51KB024 Brand: Carrier
✓ Guaranteed to fit PY1PNA036120ACBA — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 1-Pole Contactor 25 Amp 24V Coil (HN51KB024) for Model PY1PNA036120ACBA

This is the genuine OEM Carrier contactor (part number HN51KB024), the factory-specified high-voltage switching relay for the Carrier PY1PNA036120ACBA condensing unit. The contactor is the electrical gatekeeper of your system — when the thermostat sends a 24V signal, the contactor closes its contacts to deliver line-voltage power to the compressor and/or condenser fan motor. A failed contactor is one of the most common causes of an air conditioner that won't turn on, hums with no start, or trips the breaker repeatedly. Pitted, burned, or welded contacts are telltale signs it's time for a replacement.

  • Specs: 1-Pole | 25 FLA (Full Load Amps) | 24V AC 50/60Hz Coil | Definite Purpose Contactor | Factory-matched OEM tolerance
  • OEM vs Generic: This OEM contactor is manufactured to Carrier's exact contact gap, coil impedance, and pull-in voltage specifications. Aftermarket contactors often use thinner contact material and looser coil tolerances, leading to premature pitting, chatter, and compressor damage over time.
  • Install difficulty: 2/5 — Always disconnect and lock out power at the disconnect box before servicing. Photograph all wiring connections before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Swap wire-for-wire from old to new contactor. Verify 24V coil pull-in after installation.
  • Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Directly fits Carrier model PY1PNA036120ACBA. Always confirm the part number on your unit's wiring diagram or data plate before ordering. Our team is available to verify fitment — reach out before you buy if you have any questions.

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 PY1PNA036120ACBA?
Yes. This is the factory-specified OEM contactor for the Carrier PY1PNA036120ACBA. 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 PY1PNA036120ACBA?
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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