What are the specs for this Control Board?

The correct replacement for Goodman model GMT070-4B — 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 GMT070-4B — 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 Control Board w/ 9-Pin Harness for GMT070-4B — B1809913S

Name: OEM Goodman Control Board w/ 9-Pin Harness for GMT070-4B — B1809913S
Brand: Goodman
SKU: GOODMAN-12342
Price: 184.95 USD
Availability: InStock

SKU: GOODMAN-12342 Brand: Goodman

$184.95 $239.95

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The Goodman B1809913S Integrated Furnace Control Board is a genuine OEM replacement circuit board for GMT070-4B gas furnaces and compatible Goodman/Amana models. This module is the brain of the furnace — it manages the ignition sequence, monitors flame sensing and safety limits, sequences the inducer and blower, and drives the diagnostic LED fault codes. Ships complete with the 9-pin wiring harness for a straightforward, correctly-terminated installation.

Part number: B1809913S
Function: Integrated furnace ignition & blower control
Includes: 9-pin plug harness
Features: Flame sensing, timed ignition, diagnostic LED codes
Fits: Goodman GMT070-4B and compatible furnaces
Type: Genuine OEM Goodman replacement

OEM vs. Generic: Control boards are firmware-specific. The OEM B1809913S carries the exact ignition timing and safety logic your furnace was engineered around. Aftermarket or cross-referenced boards can introduce timing mismatches, blower-delay errors, or intermittent lockouts. For a component this central, OEM is strongly recommended.

Install difficulty: Moderate (3/5). Photograph every connection before you begin, disconnect power at the breaker, transfer wiring one lead at a time to avoid errors, and mount the new board on the existing standoffs. Verify a clean startup cycle and clear diagnostic LED afterward. Comfort with low-voltage wiring recommended.

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 Control Board w/ 9-P...

$184.95

Frequently Asked Questions

Does this Control Board fit my Goodman GMT070-4B — B1809913S?

Yes. This is the factory-specified OEM control board for the Goodman GMT070-4B — 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 GMT070-4B — 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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OEM Goodman Control Board w/ 9-Pin Harness for GMT070-4B — B1809913S

Shipping Information

Return Policy

Frequently Asked Questions