Direct OEM replacement furnace control board for Lennox LB-109531A and 50A62-820 integrated controls. Features hot surface ignition (HSI) microprocessor logic managing ignitor, blower motor, and gas valve timing with flame rectification monitoring and onboard LED diagnostics. Includes wiring adapters and installation instructions for drop-in replacement in 80% and 90% AFUE gas furnaces.
White Rodgers 21D83M-843 Furnace Control Board HSI
Copeland Comfort Control (White Rodgers)
$269.95
In Stock
- OEM / cross-reference
- Lennox LB-109531A, Lennox 50A62-820, Lennox 10M9301, Lennox 83M00
- Fits brands
- Lennox
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Copeland Comfort Control (White Rodgers)
White Rodgers 21D83M-843 Furnace Control Board HSI
- SKU:
- 21D83M-843
- Product Type:
- Integrated Furnace Control Board
- Subcategory:
- Hot Surface Ignition Control
- Application:
- Residential
- System Type:
- Furnace
- Installation Type:
- OEM Replacement
- Voltage:
- 80V, 120V AC
- Mounting Type:
- Standoff or steel mounting bracket (supplied)
- Temperature Range:
- -40°F to 175°F
- Fuel Type:
- Natural Gas
- Control Type:
- Non-Programmable
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