What are the specs for this Furnace Control Board?

The correct replacement for Goodman model OEM Goodman Furnace Control Circuit Board 9-Pin Harness GMNT120-5B — B1809913S is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Goodman equipment which lists the model number OEM Goodman Furnace Control Circuit Board 9-Pin Harness GMNT120-5B — B1809913S.

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OEM Goodman Furnace Control Circuit Board 9-Pin Harness GMNT120-5B — B1809913S

Name: OEM Goodman Furnace Control Circuit Board 9-Pin Harness GMNT120-5B — B1809913S
Brand: Goodman
SKU: GOODMAN-11763
Price: 184.95 USD
Availability: InStock

SKU: GOODMAN-11763 Brand: Goodman

$184.95 $239.95

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The Goodman B1809913S Integrated Furnace Control Board is the genuine OEM brain of the Goodman GMNT120-5B gas furnace. This board manages the complete heating sequence — inducer start, igniter warm-up, gas valve timing, flame sensing, and blower on/off delays — while continuously running safety and diagnostic checks. It ships with the 9-pin wiring harness for a straightforward, correctly-keyed connection.

Specifications

Part Number: B1809913S
Type: Integrated furnace control (IFC) board
Includes: 9-pin connector harness
Functions: Ignition sequencing, flame sensing, blower timing, diagnostics LED
Fits: Goodman GMNT120-5B and select Goodman/Amana single-stage furnaces
Brand: Goodman (OEM)

OEM vs. Generic

A furnace control board must match the furnace's exact ignition timing, relay ratings, and connector pinout. The genuine B1809913S is programmed and terminal-mapped for the GMNT120-5B, eliminating the guesswork and jumper adapters that generic "universal" boards require. Given the safety-critical role of ignition and gas-valve control, OEM is strongly recommended — a mismatched board can cause hard starts, short cycling, or lockouts.

Installation Difficulty

Moderate (3/5). Shut off power and gas. Photograph the existing wiring, transfer connections one at a time to the new board, and confirm the 9-pin harness is fully seated. After power-up, watch the diagnostic LED for a normal flash code and verify a full heat cycle. This job involves line-voltage and gas-control wiring — if you are unsure, hire a licensed HVAC technician.

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 info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Goodman Furnace Control Circ...

$184.95

Frequently Asked Questions

Does this Furnace Control Board fit my Goodman OEM Goodman Furnace Control Circuit Board 9-Pin Harness GMNT120-5B — B1809913S?

Yes. This is the factory-specified OEM furnace control board for the Goodman OEM Goodman Furnace Control Circuit Board 9-Pin Harness GMNT120-5B — B1809913S. 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 furnace control board on my Goodman OEM Goodman Furnace Control Circuit Board 9-Pin Harness GMNT120-5B — B1809913S?

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 furnace control board compatible with Bryant or Payne too?

Many Goodman 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 Goodman furnace 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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