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White Rodgers 21D83M-843 Furnace Control Board HSI

White Rodgers 21D83M-843 Furnace Control Board HSI

Copeland Comfort Control (White Rodgers)

$253.95

In Stock

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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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Ships same or next business day · UPS Ground, typically 1–5 business days.

Shipping details

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.
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