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OEM Carrier Defrost Control Board HK32EA007 — PH14PB04800GBAAB
Carrier

OEM Carrier Defrost Control Board HK32EA007 — PH14PB04800GBAAB

SKU: CARRIE-PH14PB04800GBAAB-CONTROL_BOARD-HK32EA007 Brand: Carrier
✓ Guaranteed to fit PH14PB04800GBAAB — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Defrost Control Board HK32EA007 for Model PH14PB04800GBAAB

The Carrier HK32EA007 Defrost Control Board is the factory-specified OEM replacement for the PH14PB04800GBAAB heat pump. This board governs the entire defrost sequence — it monitors outdoor coil temperature and ambient conditions, then initiates and terminates timed defrost cycles to prevent ice buildup on the evaporator coil. When the defrost board fails, common symptoms include: the outdoor unit freezing solid in heating mode, the system running in continuous defrost, failure to switch between heating and cooling modes, or the heat pump locking out entirely. Replacing this board with a genuine OEM part restores precise cycle timing and protects the compressor from ice-load stress.

  • OEM Part Number: HK32EA007 | Also cross-references: 1173636, 1177927 | Genuine Carrier factory board
  • OEM vs Generic: OEM boards are programmed to exact factory defrost timing parameters for the PH14PB04800GBAAB. Aftermarket boards frequently use generic timing logic that can cause short-cycling, premature defrost termination, or coil re-icing — shortening compressor life significantly.
  • Install Difficulty: 3/5 — Requires safely isolating power to the outdoor unit before accessing the control compartment. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, and a phone or camera to photograph all wiring harness positions before disconnection. Confirm defrost sensor wiring (T1/T2) is correctly seated after installation.
  • Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered by 3 PM local time.

Compatibility: Engineered for the Carrier PH14PB04800GBAAB heat pump. This board also fits Bryant and Payne heat pump models sharing the same control platform. Always verify your existing board's part number against HK32EA007 before ordering — confirm against the data plate and existing board label. Need fitment assistance? Our HVAC parts specialists verify compatibility before you order. In stock — ships 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 $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 — PH14PB04800GBAAB?
Yes. This is the factory-specified OEM control board for the Carrier OEM Carrier Defrost Control Board HK32EA007 — PH14PB04800GBAAB. 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 — PH14PB04800GBAAB?
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