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Lennox 63W27 2-Stage Ignition Control Board

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Special Price $258.02 Regular Price $286.40
In stock
SKU
63W27
The Lennox 63W27 2-Stage Ignition Control Board functions as the regulator for HVAC systems ignition sequences within gas furnaces. Through its control of ignitor and gas valve sequencing the board maintains reliable efficient ignition for peak heating performance. The controlling function of this control board offers combination of reliable operation along with failure resistance and energy efficiency improvements which establishes its critical position in heating application systems.
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HVAC Controls & Electrical, Control Boards & Modules
Manufacturer:
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Manufacturer Name: Lennox
Product Number: 63W27
OEM Part Number: 63W27
Product Description: 2 Stage Ignition Control
Weight:1.19lbs/539.77g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 63W27 Ignition Control Board?

Inspect the ignition control board regularly for loose wiring, burnt terminals, moisture exposure, or dust buildup inside the furnace control compartment. Verify proper ignition sequence operation during system inspections. Disconnect power before servicing and ensure all low-voltage and high-voltage connections remain secure.

What are common issues with the Lennox 63W27 Ignition Control Board?

  • Ignition failure or delayed start.
  • Intermittent flame or lockout.
  • Relay or circuit board malfunction.
  • Overheating or electrical component failure.
  • Sensor communication errors.

Installation Steps

Step 1: Turn off power and gas supply; verify lockout for safety before servicing.

Step 2: Remove access panel and label all wiring connections carefully for reinstallation.

Step 3: Disconnect old board, noting terminal positions and wiring layout for reference.

Step 4: Mount new control board securely in original position using existing screws.

Step 5: Reconnect wiring per diagram, ensuring tight, correct terminals and polarity.

Step 6: Restore power, test ignition sequence, and check for fault codes and operation.