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Carrier

OEM Carrier Control Board for Air Handler Model FA4BNF048008AAAA

SKU: carrier-control-board-fa4bnf048008aaaa Brand: Carrier
$189.95

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 for Air Handler Model FA4BNF048008AAAA

This genuine OEM Carrier control board governs blower operation, fan timing, relay sequencing, and safety lockouts in your FA4BNF048008AAAA air handler, responding to demand signals from the thermostat. When the board fails, you may see a blower that won't start, runs nonstop, short-cycles, or ignores thermostat commands entirely. A factory-spec replacement restores proper sequencing and protects the motor and heat elements from damaging operation. This board is matched to your unit's exact connector layout, relay configuration, and control logic, avoiding the fit and behavior problems common with universal aftermarket boards. Installation is moderate and best handled by an HVAC professional: cut power, photograph the wiring, transfer each harness one plug at a time, and verify any dip-switch or jumper settings. Typical replacement runs 30–45 minutes. Genuine Carrier parts mean precise fit and full performance without repeat callbacks. Ships same-day when ordered before 3PM CST so the system gets back online quickly.

Compatibility

This part is compatible with Carrier model FA4BNF048008AAAA.

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 Air Handler Model FA4BNF048008AAAA?
Yes. This is the factory-specified OEM control board for the Carrier Air Handler Model FA4BNF048008AAAA. 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 Air Handler Model FA4BNF048008AAAA?
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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