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OEM Payne Contactor 2-Pole 24V Coil for PA3ZNA030000AA
Payne

OEM Payne Contactor 2-Pole 24V Coil for PA3ZNA030000AA

SKU: PAYNE-PA3ZNA030000AA-CONTACTOR-HN51KB024 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 PA3ZNA030000AA

This OEM contactor is the factory-specified replacement for the Payne PA3ZNA030000AA split-system air conditioner. The contactor acts as the primary high-voltage relay in your condensing unit, receiving a low-voltage (24V) signal from the thermostat and switching line voltage to energize both the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — your AC unit will fail to start, run intermittently, or refuse to shut off entirely.

  • Specs: 2-pole configuration | 24V AC coil voltage | High-amperage contact rating | Factory-matched OEM part number HN51KB024
  • OEM vs Generic: OEM contactors feature precision-machined contact surfaces and coil windings built to Payne's exact electrical specifications. Generic contactors frequently use lower-grade contact alloys that pit and burn faster, leading to premature failure — especially in high-cycle summer conditions.
  • Install difficulty: 2/5 — Always shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before disconnecting. The contactor mounts directly in the control panel of the condensing unit.
  • Warranty: 1-year OEM factory warranty included. Orders placed by 3 PM EST ship same business day from our warehouse.

Compatibility: Engineered specifically for the Payne PA3ZNA030000AA condensing unit. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our fitment specialists are available to confirm compatibility — just reach out before you buy. In stock and ready to ship today.

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 PA3ZNA030000AA?
Yes. This is the factory-specified OEM contactor for the Payne PA3ZNA030000AA. 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 PA3ZNA030000AA?
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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