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Carrier

OEM Carrier Control Board Replacement for Model FB4BNF036000AAAA

SKU: carrier-control-board-fb4bnf036000aaaa Brand: Carrier
$274.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Control Board Replacement for Model FB4BNF036000AAAA

This OEM Carrier control board is the command center of your FB4BNF036000AAAA fan coil unit, coordinating blower timing, fan speed selection, and safety controls for dependable heating and cooling. If your air handler fails to start the blower, short cycles, ignores the thermostat, or shows inconsistent fault codes, a defective control board is the likely cause. Built to genuine Carrier factory specifications, this replacement ensures proper voltage management and accurate communication with your ECM motor and thermostat. It is engineered as a direct-fit match for the FB4BNF036000AAAA, eliminating any need for rewiring or adapters. Installation is moderate in difficulty and best left to a licensed HVAC technician; plan on roughly 30 to 45 minutes to transfer connectors and remount the board securely. Always cut power at the breaker before servicing. Order before 3PM CST and your control board ships same-day to reduce system downtime. Rely on genuine OEM parts for precise fitment, dependable performance, and lasting reliability.

Compatibility

This part is compatible with Carrier model FB4BNF036000AAAA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 $75
  • 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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Control Board fit my Carrier Model FB4BNF036000AAAA?
Yes. This is the factory-specified OEM control board for the Carrier Model FB4BNF036000AAAA. 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 Model FB4BNF036000AAAA?
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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