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OEM Carrier Control Board for Furnace Model N6D48NG480091 Circuit
Carrier

OEM Carrier Control Board for Furnace Model N6D48NG480091 Circuit

SKU: carrier-control-board-n6d48ng480091 Brand: Carrier
$199.95

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 Furnace Model N6D48NG480091 Circuit

This OEM Carrier control board is the genuine integrated furnace control replacement for Carrier model N6D48NG480091. Serving as the furnace's central processor, the board sequences ignition, watches the safety and limit switches, energizes the gas valve, and times the inducer and blower motors throughout each cycle. When the board fails you may notice no thermostat response, repeating LED flash codes, or a furnace that locks out before producing flame. Built to original Carrier specifications, this replacement restores proper relay switching, flame detection, and onboard diagnostics for your N6D48NG480091. Installation is moderate and takes roughly 30-45 minutes; photograph the existing wiring, shut off power at the breaker, and move connectors one at a time to their matching terminals. The OEM board delivers exact pin alignment and the control logic your furnace was designed for, avoiding the quirks of universal substitutes. In stock and ships same-day on orders placed before 3PM CST.

Compatibility

This part is compatible with Carrier model N6D48NG480091.

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 Furnace Model N6D48NG480091 Circuit?
Yes. This is the factory-specified OEM control board for the Carrier Furnace Model N6D48NG480091 Circuit. 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 Furnace Model N6D48NG480091 Circuit?
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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