Upgrade or repair your furnace with this 50A55-3797 Integrated Furnace Control Board, designed as a direct replacement for select White-Rodgers and Trane single-stage furnace systems.


This control board manages ignition sequence, blower motor timing, inducer motor operation, and gas valve control—ensuring safe and reliable furnace performance.


Perfect for restoring heat quickly and efficiently during cold seasons.



✅ Direct Replacement For


White-Rodgers Part Numbers:

• 50A55-3797

• 50A55-474

• 50A55-476

• 50A55-571


Trane Part Numbers:

• CNT02891

• CNT03797

• CNT02789



🛠 Features

• Integrated furnace control (IFC)

• Designed for single-stage heating systems

• Controls blower, inducer, ignition & gas valve

• Hot surface ignition compatible

• OEM-spec design for reliable performance

• Easy installation (professional installation required)



📌 Compatible Furnace Models


Commonly used in select Trane single-stage gas furnaces, including models from series such as:

• XR80

• XV80

• TUD / TUE series

• TDD / TDX series


(Always verify your original board number and furnace model before purchasing.)



⚠ Important Notes

• Please match your existing part number before ordering.

• Wiring harness and connector configuration must match your current board.

• Professional HVAC installation recommended.

• Power must be disconnected before installation.



📦 Package Includes

• 1 × 50A55-3797 Furnace Control Board



📦Free secure shipping from Las Vegas NV.

If you’re unsure about compatibility, feel free to message with your furnace model number and original board number — we’re happy to help confirm fitment.