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  • Low StockR40403-003 - CONTROL BOARD (ST9120)
    UNIVERSAL

    R40403-003 – CONTROL BOARD (ST9120)

    SKU · ST9120C2010
    $149.00

    R40403-003 integrated furnace control board (ST9120 series). Replaces older ST9120A/B/C/G models. Controls blower, inducer, and ignition timing.

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