21V51U-843 – CONTROL BOARD (2-STAGE, ECM)
$349.05White-Rodgers 21V51U-843 universal 2-stage furnace control board for ECM motors. Replaces 500+ OEM boards. Built-in diagnostics with LED error codes.
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White-Rodgers 21V51U-843 universal 2-stage furnace control board for ECM motors. Replaces 500+ OEM boards. Built-in diagnostics with LED error codes.