What are the specs for this Control Board?

The correct replacement for Goodman model GMT045-3 — PCBDM101S 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 GMT045-3 — PCBDM101S.

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 Defrost Control Board for GMT045-3 — PCBDM101S

Name: OEM Goodman Defrost Control Board for GMT045-3 — PCBDM101S
Brand: Goodman
SKU: GOODMAN-PCBDM101S
Price: 58.95 USD
Availability: InStock

SKU: GOODMAN-PCBDM101S Brand: Goodman

$58.95 $76.95

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Goodman PCBDM101S Defrost Control Board

The Goodman PCBDM101S is a genuine OEM defrost control board designed for the GMT045-3 and compatible Goodman/Amana heat pump systems. This board manages the defrost cycle, reversing valve operation, and outdoor fan and compressor timing to keep the coil free of frost in heating mode. A failed board can cause no defrost, constant defrost, a unit that ices over, or a system that won't switch between heating and cooling — replacing it restores reliable seasonal operation.

Specifications

Part number: PCBDM101S
Component type: Defrost control circuit board
Function: Defrost timing, reversing valve and fan control
Fit: Goodman GMT045-3 series and compatible heat pumps
Includes: Board with terminal connections and mounting standoffs
Brand: Goodman (OEM)

OEM vs. Generic

The OEM Goodman PCBDM101S guarantees exact terminal layout, jumper timing settings, and firmware behavior for a direct plug-in replacement and warranty compatibility. Our generic equivalent replicates the same connections and defrost logic at a lower price — always photograph existing wiring and confirm jumper/timing settings before swapping.

Installation Difficulty

Intermediate. Board replacement requires disconnecting power, labeling and transferring wiring one terminal at a time, matching defrost-timing jumpers to the old board, and mounting the new board. No refrigerant work is needed. Verify power is off and connections are secure before restoring operation.

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 Defrost Control Boar...

$58.95

Frequently Asked Questions

Does this Control Board fit my Goodman GMT045-3 — PCBDM101S?

Yes. This is the factory-specified OEM control board for the Goodman GMT045-3 — PCBDM101S. 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 GMT045-3 — PCBDM101S?

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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