What are the specs for this Control Board?

The correct replacement for Goodman model GMNT120-5D — 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 GMNT120-5D — B1809913S.

Is this control board compatible with Bryant or Payne systems too?

Many Goodman parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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Goodman

OEM Goodman Furnace Control Circuit Board for GMNT120-5D — B1809913S

Name: OEM Goodman Furnace Control Circuit Board for GMNT120-5D — B1809913S
Brand: Goodman
SKU: GOODMAN-11776
Price: 184.95 USD
Availability: InStock

SKU: GOODMAN-11776 Brand: Goodman

$184.95 $239.95

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Goodman B1809913S Integrated Furnace Control Board

The Goodman B1809913S is a genuine OEM integrated furnace control (IFC) board supplied with the matching 9-pin wiring harness, built as a direct-fit replacement for the GMNT120-5D gas furnace and cross-compatible Goodman/Amana models. This board is the brain of the furnace — it manages the ignition sequence, times the inducer and blower, monitors the flame sensor and limit switches, and drives the diagnostic LED fault codes.

Symptoms of a failing control board include no ignition, short cycling, blower running continuously, blank or rapidly flashing diagnostic LEDs, and blown low-voltage fuses. Because the board coordinates every safety and timing function, replacing a faulty unit with the correct OEM part is the most dependable way to restore full furnace operation.

Specifications

Integrated furnace control (ignition, blower, and inducer timing)
Includes 9-pin low-voltage wiring harness
Onboard diagnostic LED fault-code output
Fits Goodman GMNT120-5D and compatible furnaces
Genuine Goodman OEM part number B1809913S

OEM vs. Generic

The OEM B1809913S is factory-programmed with the exact ignition timing, safety logic, and connector pinout your furnace requires, and it ships with the correct harness for a plug-and-play swap. Aftermarket “universal” boards may need jumper reconfiguration and adapter harnesses, and a wrong timing profile can cause unsafe operation or repeated lockouts. For a control board, OEM is strongly recommended.

Installation Difficulty

Moderate (3 of 5). Plan 30–45 minutes. Photograph every wire connection before removal, cut power at the disconnect, transfer the harness plugs one at a time, and match the board orientation. Because this involves 120V and low-voltage wiring, homeowners uncomfortable with electrical work should 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 Control Board fit my Goodman GMNT120-5D — B1809913S?

Yes. This is the factory-specified OEM control board for the Goodman GMNT120-5D — 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 control board on my Goodman GMNT120-5D — 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 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 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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