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50A55-474 Furnace Control Board, Replacement for White Rodgers 50A55-3797, Trane Single Stage CNT02891 CNT03797 CNT02789 Integrated Furnace Control, 120V Ignitor

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Product details

Management number 218624352 Release Date 2026/05/03 List Price $20.80 Model Number 218624352
Category

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.

  • 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.
UPC 658359995494
Color Green
Model WST04
Voltage 120 Volts
Brand Name NEALMART
Unit Count 1.0 Count
Part Number WST04
Display Type LED or LCD
Manufacturer Wylstan
Material Type Plastic
Included Components Furnace Control Board & Manual
Operating Temperature 22 Degrees Celsius
Item Dimensions L x W x H 7.5"L x 5.5"W x 2.5"H

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