Lennox 19V36 Control Board Kit

The Lennox 19V36 Control Board Kit is the essential Lennox SureLight ignition control replacement designed for single-stage gas furnaces. This comprehensive Lennox 19V36 HVAC part (Model LB-109531B) serves as the primary direct replacement for a wide range of legacy components, including 83M00, Y7761, 12L69, and 97L4801. As a technician, you know the importance of matching the original equipment manufacturer (OEM) specifications to ensure proper flame rectification and sequenced ignition. This kit includes the SureLight ignition control board, specialized 9-pin to 12-pin and 4-pin to 6-pin wiring harnesses, and a replacement adaptive ignitor with mounting hardware. Utilizing this Lennox furnace control board ensures the system maintains its original engineering standards for reliable startup and diagnostic monitoring during the heating cycle.

Key Benefits for Technicians:

• Broad Compatibility: Replaces multiple obsolete part numbers including 50A62-121-06, 56L8301, and 10M9301 in single-stage Lennox units.
• Complete Integration: Includes necessary harness adapters and diagnostic stickers to convert older wiring configurations to the current standard.
• OEM Reliability: Genuine Lennox 19V36 components ensure precise timing for the draft inducer, hot surface ignitor, and gas valve operation.
• Diagnostic Support: Features onboard LED flash codes for rapid troubleshooting of airflow, limit, and flame circuit faults.

Common Technical Questions:

Is the Lennox 19V36 compatible with two-stage furnaces?
No, this control board is specifically engineered for single-stage heating applications. Use with multi-stage systems will result in improper unit operation.

Does this kit include the hot surface ignitor?
Yes, the 19V36 is a full conversion kit that includes a compatible ignitor and the required brackets to replace older style SureLight ignition systems.

Will I need to perform field wiring modifications?
The included wiring harnesses are designed to adapt the 9-pin and 12-pin connectors found on various Lennox model generations, minimizing the need for manual splicing.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.