What are the specs for this Control Board Support?

The correct replacement for Goodman model GMT140-5 — B1393803 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 GMT140-5 — B1393803.

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Goodman

OEM Goodman Single Wing PCB Mounting Support for GMT140-5 — B1393803

Name: OEM Goodman Single Wing PCB Mounting Support for GMT140-5 — B1393803
Brand: Goodman
SKU: GOODMAN-12471
Price: 11.95 USD
Availability: InStock

SKU: GOODMAN-12471 Brand: Goodman

$11.95 $15.95

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The Goodman B1393803 Single Wing PCB Support is the factory-original single-point mounting standoff used to secure the integrated furnace control board in the Goodman GMT140-5 gas furnace. It works alongside the double-wing support (B1393802) to hold the board flat and correctly spaced from the cabinet, protecting the electronics from vibration and short circuits.

Specifications

Part Type: Circuit board mounting support (single wing)
OEM Part Number: B1393803
Material: Molded flame-retardant nylon standoff
Compatibility: Goodman GMT140-5 multi-position furnaces
Function: Single-point board retention and isolation

OEM vs. Generic

Genuine Goodman standoffs match the exact peg spacing and locking-tab profile of the GMT140-5 board tray. Universal aftermarket clips frequently sit proud or loose, allowing the control board to flex and crack solder joints over time. The OEM B1393803 delivers a precise, secure fit and keeps your furnace's control system reliable.

Installation Difficulty

Easy (1/5). Cut power at the furnace disconnect, release the old standoff, and press the new one into the mounting hole until it locks. No tools or wiring changes needed — typically a 5–10 minute job. Confirm the power is off before touching the control board.

Need to confirm fitment? Check your model/serial plate or email info@nationalhvacparts.com and we'll verify B1393803 for your furnace.

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 Single Wing PCB Moun...

$11.95

Frequently Asked Questions

Does this Control Board Support fit my Goodman GMT140-5 — B1393803?

Yes. This is the factory-specified OEM control board support for the Goodman GMT140-5 — B1393803. 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 support on my Goodman GMT140-5 — B1393803?

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 support 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 support?

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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