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OEM Payne Contactor 2-Pole 24V Coil for PA3ZNB024000AB
Payne

OEM Payne Contactor 2-Pole 24V Coil for PA3ZNB024000AB

SKU: PAYNE-PA3ZNB024000AB-CONTACTOR-HN51KC024 Brand: Payne

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

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OEM Payne 2-Pole Contactor 24V Coil for Model PA3ZNB024000AB

This is the factory-specified OEM replacement contactor for the Payne PA3ZNB024000AB split-system air conditioner, carrying OEM part number HN51KC024. The contactor is a high-voltage relay that acts as the primary switch for your condenser unit — when the thermostat calls for cooling, the 24V control circuit energizes the contactor coil, closing the high-voltage contacts that power the compressor and condenser fan motor. A failed contactor is one of the most common causes of an AC system that won't start, hums without running, or loses cooling entirely during peak summer heat.

  • Specs: 2-pole configuration | 24V coil voltage | Factory-rated amperage for Payne PA3ZNB024000AB | Contacts rated for high-cycle residential duty | OEM Part Number: HN51KC024
  • OEM vs Generic: This OEM contactor features factory-spec contact material and coil windings calibrated to exact pull-in voltage. Generic contactors frequently use thinner contact pads that pit and arc more quickly, leading to repeat failures within one to two seasons.
  • Install difficulty: 2/5 — Always disconnect power at the disconnect box and wait at least 5 minutes before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Swap wires one at a time to avoid miswiring.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our climate-controlled warehouse.

Compatibility: Designed specifically for the Payne PA3ZNB024000AB 2-ton split-system condenser. Always verify coil voltage and pole configuration on your unit's wiring diagram or data plate before ordering. Not sure if this part fits your unit? Our HVAC parts specialists confirm fitment before you buy — reach out via chat or phone.

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 Payne PA3ZNB024000AB?
Yes. This is the factory-specified OEM contactor for the Payne PA3ZNB024000AB. 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 Payne PA3ZNB024000AB?
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 Payne 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 Payne 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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