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50A55-474 Furnace Control Board Replaces White Rodgers 50A55-3797 , Replacement for Trane Single Stage CNT02891 CNT03797 CNT02789 Integrated Furnace Control, 50A55-474

5.0 (3) Write Review
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$63.99

$ 27 .99 $27.99

In Stock

About this item

  • This furnace control board is compatible with White-Rodgers 50A55-3797, 50A55-474,50A55-476 , 50A55-571. And replacement for Integrated Furnace Control Board CNT02891, CNT03799, CNT02789.
  • The 50A55-3797 Furnace Control Board is an automatic gas interrupted ignition control that employs a microprocessor to continually monitor ,analyze, and control the proper operation of the gas burner, inducer, and fan.
  • Input Voltage: 25 VAC 50/60 HZ. Max. Input Current at 25 VAC :0.45 amp. Relay Load Ratings: Valve Relay: 1.5 amp at 25 VAC 50/60 Hz 0.6 pf. Ignitor Relay: 6.0 amp at 120 VAC 50/60 Hz (resistive) Inducer Relay: 2.2 FLA- 3.5 LRA at 120 VAC Circulator Relay: 14.5 FLA-25.0 LRA at 120 VAC.
  • The 50A55-3797 control continuously monitors its own operation and the operation of the system. If a failure occurs, the LED will indicate a failure code as shown in Troubleshooting section. If the failure is internal to the control, the light will stay off. In this case, the entire control should be replaced, as the control is not field-repairable.
  • Note: to save yourself some hassle, please take a picture of the old one before removing it,make sure getting the wires on the correct terminals.Please feel free to contact us if you have any questions about our products, your satisfaction would be our greatest motivation.


Furnace Control Board Replacement


Customer
April 12, 2025
I was getting the 4 blinks on my Trane, even after replacing the High Limit switch and this resolved the error, my pilot lit and the heat started working again. If you take pics it is pretty simple to siwth the 7-8 wires and 2 connectors and only 2 pins were in a different spot than the whiteboard I had.
Mike R
March 9, 2025
Working great, exact fit replacement for a 20 year old Train unit.
Cindy Newman
January 8, 2025
Replaced board that stopped working on my Trane furnace. Was easy to install and fixed the problem