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Control Board 21D83M-843

RepairClinic Item #2754621 | White Rodgers  Part #21D83M-843

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Control Board 21D83M-843      Alternate Product ViewControl Board 21D83M-843      Alternate Product View
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Furnace control board kit. This single stage control board is designed to replace Lennox part number 83M00. The control board regulates the supply of power to the furnace components. Be sure to test more commonly defective parts before replacing the control board.

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