21M51U-843 – CONTROL BOARD (2-STAGE, PSC)
SKU · 21M51U-843
$359.94
White-Rodgers 21M51U-843 universal 2-stage furnace control board for PSC motors. Replaces hundreds of OEM boards. LED diagnostics built in.
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UNIVERSALCNT03797 – CONTROL BOARD (TRANE, 120V, AFTERMARKET, DIRECT, 50A55-3797)
SKU · CNT03797$195.26Trane CNT03797 control board (50A55-3797 aftermarket). 120V integrated furnace control for Trane and American Standard systems. Replaces dozens of CNT numbers.
