Trane D341235P01 50A55-474-03 Furnace Control Circuit Board 24 Volt 60Hz

Description:

The Trane D341235P01 / White-Rodgers 50A55-474-03 Furnace Control Circuit Board is used in gas-fired furnace systems to monitor and control ignition, blower, inducer motor, and safety functions. Commonly installed in Trane and American Standard residential and light commercial furnaces equipped with hot surface ignition systems. Maintenance teams and HVAC service providers use this control board for furnace repairs, retrofit projects, and replacement of failed or obsolete OEM control modules.

Applications:

The Trane D341235P01 furnace control board is designed for single-stage gas furnaces using hot surface ignition technology. It continuously monitors thermostat signals, flame sensing, inducer operation, and blower control to ensure safe and efficient furnace operation. The board is commonly used in Trane and American Standard heating systems where integrated control of ignition, fan timing, and safety shutdown functions is required.

Technical Specifications:

• Manufacturer Part Number (MPN): D341235P01 / 50A55-474-03
• Product Type: Integrated Furnace Control Circuit Board
• Brand: Trane / White-Rodgers
• Control Voltage: 24-25 VAC
• Frequency: 60 Hz
• Ignition Type: Hot Surface Igniter (HSI)
• Igniter Voltage: 120 VAC
• Number of Stages: Single Stage
• Furnace Control Functions: Heat and Cool
• Items Controlled: Gas Valve, Blower Motor, Inducer Motor, Ignitor, Air Cleaner, Humidifier
• Thermostat Terminals: R, C, W, Y, G
• Heat Blower On Delay: 45 sec
• Heat Blower Off Delay: 60 / 100 / 140 / 180 sec selectable
• Cool Blower On Delay: 2 sec
• Fuse Protection: 5 A automotive-style fuse
• Mounting Type: Standoff-mounted integrated control board
• Compatible Brands: Trane, American Standard, White-Rodgers
• Standards: cCSAus Listed

Common Replacements:

• White-Rodgers 50A55-3797 Integrated Furnace Control
• White-Rodgers 50A55-571 Furnace Control Board
• Trane CNT02891 Furnace Control Board