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Carrier

OEM Carrier Control Board for Air Handler Model FB4ASB070000AGAA

SKU: carrier-control-board-fb4asb070000agaa Brand: Carrier
$219.95

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 FB4ASB070000AGAA

This genuine OEM Carrier control board is the factory-specified replacement for the FB4ASB070000AGAA fan coil air handler. As the central controller, the board governs blower-motor operation, relay timing, fan-speed taps, and onboard safety logic to keep your system running efficiently and safely. A failing control board frequently causes a blower that won't start, intermittent or runaway fan behavior, no response to thermostat signals, or repeated safety lockouts. Replacing it with the correct factory board restores proper coordination between your thermostat, indoor blower, and outdoor unit. Because the job involves wiring connections and setup configuration, this is an advanced repair we recommend leaving to a licensed HVAC technician to ensure accurate installation and maintain warranty protection. Every board is new, thoroughly inspected, and built to Carrier's exact original specifications for enduring reliability. This control board is in stock and ships same-day on orders placed before 3PM CST, reducing your downtime. Rely on NationalHVACParts.com for authentic Carrier parts and expert assistance.

Compatibility

This part is compatible with Carrier model FB4ASB070000AGAA.

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 FB4ASB070000AGAA?
Yes. This is the factory-specified OEM control board for the Carrier Air Handler Model FB4ASB070000AGAA. 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 FB4ASB070000AGAA?
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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