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OEM Carrier Defrost Control Board HK32EA007 — PH14NB03600GAAAA
Carrier

OEM Carrier Defrost Control Board HK32EA007 — PH14NB03600GAAAA

SKU: CARRIE-PH14NB03600GAAAA-CONTROL_BOARD-HK32EA007 Brand: Carrier
✓ Guaranteed to fit PH14NB03600GAAAA — or your money back. Terms

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier Defrost Control Board HK32EA007 for Model PH14NB03600GAAAA

This is the genuine OEM Carrier defrost control board (part number HK32EA007), the factory-specified replacement for the Carrier PH14NB03600GAAAA heat pump. The defrost control board governs the timing and execution of the unit's defrost cycle — it monitors outdoor coil conditions and triggers a timed reversal of the refrigerant circuit to shed ice accumulation from the evaporator coils. When this board fails, symptoms typically include excessive frost or ice buildup on the outdoor coil, the unit getting stuck in defrost mode, failure to switch between heating and cooling, or a complete system lockout with no heating output. Replacing the board with a genuine OEM unit restores factory-programmed defrost intervals and protects compressor longevity.

  • Specs: OEM Part Number HK32EA007 | Genuine Carrier defrost control board | Factory-programmed defrost timing | Compatible with R-410A heat pump systems | Cross-references: 1173636, 1177927
  • OEM vs Generic: OEM boards carry exact factory timing logic and relay ratings — generic aftermarket boards can run improper defrost intervals, leading to compressor overload, repeat icing, or premature failure of reversing valve components.
  • Install Difficulty: 3/5 — Requires disconnecting 24V and line-voltage wiring harnesses. Always shut off power at the disconnect and photograph all wiring connections before removal. Tools needed: 1/4" and 5/16" nut drivers, flathead screwdriver, needle-nose pliers. Confirm defrost termination sensor wiring matches original board layout.
  • Warranty: 1-year OEM manufacturer's warranty. Orders placed before 3 PM ship same business day from our warehouse.

Compatibility: Designed as a direct OEM replacement for the Carrier PH14NB03600GAAAA heat pump. Also cross-references Bryant and Payne heat pump models that use the HK32EA007 board. Always verify your existing board's part number against your unit's wiring diagram before ordering. Our technical team is available to confirm fitment — contact us before purchasing 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 OEM Carrier Defrost Control Board HK32EA007 — PH14NB03600GAAAA?
Yes. This is the factory-specified OEM control board for the Carrier OEM Carrier Defrost Control Board HK32EA007 — PH14NB03600GAAAA. 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 OEM Carrier Defrost Control Board HK32EA007 — PH14NB03600GAAAA?
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
HVAC Parts Specialist — Online