CNT03797 – CONTROL BOARD (TRANE, 120V, AFTERMARKET, DIRECT, 50A55-3797)
$195.26Trane CNT03797 control board (50A55-3797 aftermarket). 120V integrated furnace control for Trane and American Standard systems. Replaces dozens of CNT numbers.
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Trane CNT03797 control board (50A55-3797 aftermarket). 120V integrated furnace control for Trane and American Standard systems. Replaces dozens of CNT numbers.

Supco SHL508 high limit switch, 3-inch insertion, opens at 190°F, closes at 170°F. Auto reset. Crosses to Carrier HH12ZB190 and Trane SWT01259.