What are the specs for this Control Board?

The correct replacement for Lennox model OEM Lennox Communication Control Module Kit — 14G30 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 Lennox equipment which lists the model number OEM Lennox Communication Control Module Kit — 14G30.

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OEM Lennox Communication Control Module Kit — 14G30

Name: OEM Lennox Communication Control Module Kit — 14G30
Brand: Lennox
SKU: LNX-14G30
Price: 39.95 USD
Availability: InStock

SKU: LNX-14G30 Brand: Lennox

$39.95 $54.95

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The genuine OEM Lennox 14G30 communication control module kit (factory part 103686-06) enables two-way communicating operation between your Lennox air conditioner or heat pump outdoor unit and the indoor equipment and thermostat. It transmits status, staging, and diagnostic data across the communicating bus, allowing the system to modulate capacity and optimize efficiency and comfort.

Common failure symptoms include loss of communication errors on the thermostat, the outdoor unit not responding to calls for cooling or heating, missing or garbled diagnostic codes, and the system defaulting to reduced or non-communicating operation. Power surges, moisture intrusion, and age are typical causes of module failure.

Using the OEM Lennox 14G30 matters because Lennox communicating systems rely on a proprietary data protocol and precise firmware compatibility. A non-OEM substitute may not establish reliable communication or support full multi-stage operation. The factory module guarantees correct bus addressing, seamless integration with iComfort and Lennox equipment, and restored full-feature performance.

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 Lennox Communication Control...

$39.95

Frequently Asked Questions

Does this Control Board fit my Lennox OEM Lennox Communication Control Module Kit — 14G30?

Yes. This is the factory-specified OEM control board for the Lennox OEM Lennox Communication Control Module Kit — 14G30. 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 Lennox OEM Lennox Communication Control Module Kit — 14G30?

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 Lennox 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 Lennox 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 Lennox Communication Control Module Kit — 14G30

Shipping Information

Return Policy

Frequently Asked Questions