Add to favorites
50A55-474 Furnace Control Board Replaces White Rodgers 50A55-3797 , Replacement for Trane Single Stage CNT02891 CNT03797 CNT02789 Integrated Furnace Control, 50A55-474 by NEALMART - Used condition

50A55-474 Furnace Control Board Replaces White Rodgers 50A55-3797 , Replacement for Trane Single Stage CNT02891 CNT03797 CNT02789 Integrated Furnace Control, 50A55-474 — Open-Box, 37% Off

Brand: NEALMART

Condition: Used
$3318
$5299
-37% Save $1981
Updated: 2 days ago

Description

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

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0ctmfxzq6
Model:
WST04
Country:
US
ASIN:
B0CTMFXZQ6
UPC:
658359995579

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $20 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for NEALMART products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

More open-box deals

Updated daily from Amazon, Reebelo, and Dyson.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.