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Carrier

OEM Carrier Control Board HK42FZ Series for Model FA4ANF024010AGAA

SKU: carrier-control-board-fa4anf024010agaa Brand: Carrier
$189.99

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 HK42FZ Series for Model FA4ANF024010AGAA

This OEM Carrier integrated control board manages ignition sequencing, blower timing, and safety lockout protection for your Carrier FA4ANF024010AGAA fan coil air handler. No-heat conditions, erratic blower cycling, or a flashing LED fault code on the board often point directly to control board failure. Serving as the unit's brain, it monitors limit and safety switches, drives the indoor blower motor, and manages communication between your thermostat and the outdoor condenser. Produced to exact factory specifications, this genuine board restores reliable, code-compliant operation that generic aftermarket boards can't dependably deliver. Installation is moderate in difficulty: a capable DIYer can finish in 30-45 minutes by photographing the wiring, moving connectors one at a time, and matching dip-switch positions, though a licensed HVAC technician is recommended for best results. Each board is verified for your exact model and backed by our fitment guarantee. Order before 3PM CST and your control board ships same-day from our US warehouse. Minimize downtime and restore steady performance with the genuine Carrier replacement engineered for your FA4ANF air handler.

Compatibility

This part is compatible with Carrier model FA4ANF024010AGAA.

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 FA4ANF024010AGAA?
Yes. This is the factory-specified OEM control board for the Carrier Model FA4ANF024010AGAA. 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 FA4ANF024010AGAA?
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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