What are the specs for this Control Board?

The correct replacement for Goodman model GPC1348H21A — PCBFM103S 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 GPC1348H21A — PCBFM103S.

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.

Goodman

OEM Goodman Blower Control Board for GPC1348H21A — PCBFM103S

Name: OEM Goodman Blower Control Board for GPC1348H21A — PCBFM103S
Brand: Goodman
SKU: PCBFM103S-GEN
Price: 54.95 USD
Availability: InStock

SKU: PCBFM103S-GEN Brand: Goodman

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The Goodman PCBFM103S Fan Blower Control Board is the OEM circuit board that governs indoor blower operation and on/off time-delay timing for the GPC1348H21A 4-ton packaged air conditioner. It manages the heat/cool fan-on and fan-off delays that improve comfort and efficiency, and routes 24V control signals to the blower motor relay. Symptoms of a failed board include a blower that won't start, runs continuously, or ignores thermostat fan-delay settings.

Specifications

Function: blower control with integrated time-delay relay
Control voltage: 24V (low-voltage thermostat circuit)
Provides fan-on/fan-off timing for cool and heat modes
OEM Part Number: PCBFM103S
Fits: Goodman GPC1348H21A and compatible packaged units

OEM vs. Generic

The OEM PCBFM103S carries Goodman's factory timing logic, terminal layout, and relay ratings, so the harness plugs in without rewiring. Universal fan boards may require jumper reconfiguration and can mistime the blower, undermining the comfort and efficiency the original was tuned for.

Installation Difficulty

Moderate — disconnect power, photograph and transfer the wiring harness terminal-by-terminal, then swap the board. Plan 30–45 minutes; meter and clear wiring diagram recommended. Improper terminal placement can damage the new board.

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 Blower Control Board...

$54.95

Frequently Asked Questions

Does this Control Board fit my Goodman GPC1348H21A — PCBFM103S?

Yes. This is the factory-specified OEM control board for the Goodman GPC1348H21A — PCBFM103S. 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 GPC1348H21A — PCBFM103S?

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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