If a failure occurs, the led will indicate code as shown in troubleshooting section. The 50A55-3797 furnace control board is an automatic gas interrupted ignition control that employs a microprocessor to continually monitor ,analyze, and the proper operation of burner, inducer, fan. If the failure is internal to control, light will stay off. 50A55-474 furnace control board, replacement for white rodgers 50A55-3797, Trane single stage cnt02891 cnt03797 cnt02789 integrated control, 120v ignite:: this furnace control board is compatible with white-rodgers 50A55-474,50a55-476, 50a55-571.
And replacement for integrated furnace control board cnt02891, cnt03799, cnt02789. In this case, the entire control should be replaced, as is not field-repairable. Input voltage : 25 vac 50/60 Hz. Fast delivery.
specifications centrafurn:
- brand: Wylstan
- mpn: Wst04
- part type: Furnace Control Board
- upc: 658359995494
- included components: Furnace Control Board Manual
- unit count: 1.0 Count
- voltage: 120 Volts
- display type: Led Or Lcd
- operating temperature: 22 Degrees Celsius
- color: Green
- material type: Plastic
- item dimensions l x w x h: 7.5l X 5.5w X 2.5h
offer centrafurn:
- options: ship-to-home
- sold #: 5
- quantity: 1
- availability: in stock
- started: may 7, 2026
returns centrafurn:
- policy: no returns
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
payments centrafurn:
- wallet: paypal
- credit card: visa
- other
seller centrafurn:
- rating: 99.3%
- # reviews: 1245
- city: miami, florida
shipping centrafurn:
- type: fixed
- transit: 4-9 days
- class: expedited
- service: expedited