Same-day shipping on orders before 3PM CST · 15,000+ OEM Parts In Stock · Carrier · Bryant · ICP · Heil · Tempstar
Track Order | 1-800-NHP-HVAC | Trade Accounts

Menu

Home Shop All Account Cart
Home / OEM Carrier Fan Coil Control Board fo...

IMAGE COMING SOON

Carrier

OEM Carrier Fan Coil Control Board for Model FC4DNF018005AAAA

SKU: carrier-control-board-fc4dnf018005aaaa Brand: Carrier
$224.95

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

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

OEM Carrier Fan Coil Control Board for Model FC4DNF018005AAAA

This genuine OEM Carrier control board is the command center of your FC4DNF018005AAAA fan coil, coordinating blower speed, electric heat sequencing, and the safety circuits that keep the unit operating safely. A defective board often presents as an unresponsive blower, erratic cycling, or thermostat fault codes — the correct factory board resolves these problems and restores precise, reliable control. Manufactured to exact Carrier specifications, this board is a direct fit for the FC4DNF018005AAAA, with identical plug positions and relay ratings so no rewiring or configuration is required. Installation is moderate: cut power at the breaker, photograph the harness, transfer each connector individually, and fasten the board to the original standoffs — roughly 30-45 minutes for a skilled technician. Professional installation is recommended to confirm correct operation. Genuine OEM boards protect your warranty and provide durability generic alternatives seldom match. This part is in stock and ships same-day on orders placed before 3PM CST. Bring your Carrier fan coil back to full function with the proper factory control board.

Compatibility

This part is compatible with Carrier model FC4DNF018005AAAA.

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 FC4DNF018005AAAA?
Yes. This is the factory-specified OEM control board for the Carrier Model FC4DNF018005AAAA. 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 FC4DNF018005AAAA?
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.
Home Shop Search Account Cart