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OEM Carrier Defrost Control Board HK32EA007 for PH14NB02400GBAAA
Carrier

OEM Carrier Defrost Control Board HK32EA007 for PH14NB02400GBAAA

SKU: CARRIE-PH14NB02400GBAAA-CONTROL_BOARD-HK32EA007 Brand: Carrier
✓ Guaranteed to fit PH14NB02400GBAAA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Defrost Control Board HK32EA007 for Model PH14NB02400GBAAA

This is the genuine OEM Carrier defrost control board (part number HK32EA007), factory-specified for the Carrier PH14NB02400GBAAA heat pump. The defrost control board monitors outdoor coil temperature and manages timed defrost cycles, commanding the reversing valve and outdoor fan to periodically clear frost and ice buildup from the evaporator coil. When this board fails, the outdoor unit may remain locked in a heavy frost or full ice-over condition, dramatically reducing heating efficiency — or the system may initiate defrost continuously, causing the heat pump to blow cold air. Either symptom points directly to a faulty defrost control board.

  • Specs: OEM part number HK32EA007 | Replaces cross-references 1173636 and 1177927 | Compatible with Carrier, Bryant, and Payne heat pump platforms | Factory-matched defrost timing intervals and temperature sensing thresholds
  • OEM vs Generic: OEM boards are programmed with Carrier's exact defrost logic and timing sequences. Aftermarket alternatives frequently use generic timing chips that can result in premature or skipped defrost cycles, accelerating coil icing and compressor wear over time.
  • Install Difficulty: 3/5 — Requires safely disconnecting power to the unit before access. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone or camera to photograph all wire harness connections prior to removal. The board mounts in the outdoor unit control panel; transfer all wire connectors one-by-one to the new board to avoid mis-wiring.
  • Warranty: 1-year OEM manufacturer warranty from date of purchase. Ships same business day from our warehouse when ordered by 3 PM local time.

Compatibility: Engineered as the direct OEM replacement for the Carrier PH14NB02400GBAAA heat pump. Also cross-references HK32EA001 for select Bryant and Payne models — always verify the part number on your existing board's label before ordering. Not sure it fits? Contact our HVAC parts specialists and we'll verify fitment before you buy. Order today and we'll ship it out the same day.

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 PH14NB02400GBAAA?
Yes. This is the factory-specified OEM control board for the Carrier PH14NB02400GBAAA. 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 PH14NB02400GBAAA?
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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