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OEM Carrier Defrost Control Board HK32EA007 for PH3ZNB060000AA
Carrier

OEM Carrier Defrost Control Board HK32EA007 for PH3ZNB060000AA

SKU: CARRIE-PH3ZNB060000AA-CONTROL_BOARD-HK32EA007 Brand: Carrier
✓ Guaranteed to fit PH3ZNB060000AA — 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 PH3ZNB060000AA

This is the genuine OEM Carrier defrost control board (part number HK32EA007), factory-specified for the Carrier PH3ZNB060000AA heat pump. The defrost control board monitors outdoor coil temperature and time-based intervals to initiate and terminate defrost cycles, reversing refrigerant flow to melt frost accumulation off the outdoor coil. When this board fails, common symptoms include the heat pump staying locked in cooling mode during cold weather, the outdoor unit icing over completely, erratic or absent defrost cycles, or the system short-cycling with no heat output. Replacing this board with a genuine OEM part restores factory-programmed defrost logic and protects the compressor from ice-related damage.

  • Part Number: HK32EA007 | Also cross-references OEM part 1177927 | Genuine Carrier OEM — not an aftermarket substitute
  • OEM vs Generic: OEM boards use factory-calibrated defrost timing and temperature thresholds. Aftermarket boards may use generic time/temperature curves that cause over- or under-defrosting, reducing efficiency and risking compressor damage over time.
  • Install Difficulty: 3/5 — Shut off power at the disconnect and breaker before servicing. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections before removal. Transfer wiring connectors one at a time to avoid miswiring. A multimeter is recommended to confirm 24V control circuit integrity after installation.
  • 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 a direct OEM replacement for the Carrier PH3ZNB060000AA heat pump. Also replaces Carrier/Bryant/Payne units sharing the HK32EA007 or superseded HK32EA001 specification — always verify your unit's data plate and existing board part number before ordering. Our HVAC parts specialists are available to confirm fitment. Order today and get same-day shipping!

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 PH3ZNB060000AA?
Yes. This is the factory-specified OEM control board for the Carrier PH3ZNB060000AA. 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 PH3ZNB060000AA?
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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