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OEM Carrier Defrost Control Board HK32EA007 for PH13NB042000AAAA
Carrier

OEM Carrier Defrost Control Board HK32EA007 for PH13NB042000AAAA

SKU: CARRIE-PH13NB042000AAAA-CONTROL_BOARD-HK32EA007 Brand: Carrier
✓ Guaranteed to fit PH13NB042000AAAA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Defrost Control Board HK32EA007 for Model PH13NB042000AAAA

The Carrier HK32EA007 is the factory OEM defrost control board for the PH13NB042000AAAA heat pump. This board is the brain of your heat pump's defrost cycle — it monitors outdoor coil temperature and ambient conditions to trigger, manage, and terminate defrost events at precisely the right time. When this board fails, you'll typically see one or more of the following: the outdoor coil building up thick ice with no defrost cycle initiating, the system short-cycling, or the heat pump running in a locked-out state with no heating output. Replacing this board with a genuine OEM part restores factory-programmed defrost logic and protects the compressor from damage caused by uncontrolled ice accumulation.

  • Specs: 24V control voltage | Single-phase | OEM Part Number HK32EA007 | Compatible cross-references: CEPL130524-21, CEBD430524-24A, ICP #1177927
  • OEM vs Generic: This is a genuine Carrier OEM board with factory-calibrated defrost timing and temperature thresholds. Aftermarket boards often use looser tolerances, which can result in premature or incomplete defrost cycles — stressing the compressor and reducing system efficiency over time.
  • Install difficulty: 3/5 — Power down the unit and lock out the disconnect before beginning. Photo all wiring harness connections before removal. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, and a multimeter to verify 24V control voltage is restored after installation. A licensed HVAC technician is recommended for this repair.
  • Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Engineered as a direct OEM replacement for the Carrier PH13NB042000AAAA heat pump. Also cross-references Bryant and Payne models sharing the same board. Always verify your existing board's part number against HK32EA007 before ordering. Our fitment team is available to confirm compatibility — contact us 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 Control Board fit my Carrier PH13NB042000AAAA?
Yes. This is the factory-specified OEM control board for the Carrier PH13NB042000AAAA. 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 control board on my Carrier PH13NB042000AAAA?
Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.
My HVAC system is completely dead. What could be wrong?
Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.
Is this control board 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 control board?
OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.
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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