50A65-121-06 | White-Rodgers Lennox Integrated Fan Control Circuit Board

White-Rodgers · HVAC & Building Controls

Description  The White-Rodgers 50A65-121-06 Integrated Fan Control Circuit Board is designed for precise control of blower and ignition functions in Lennox gas furnace systems. It operates on standard 24V control power and manages fan timing, safety interlocks, and system operation. This control board is engineered as a dependable replacement for compatible Lennox furnace applications.     Technical Specifications  Condition New/Never Used Surplus Brand White-Rodgers Category HVAC Control Boards Part Number 50A65-121-06 Subcategory Furnace Fan Control Boards Board Type Integrated Fan Control Circuit Board Control Voltage 24 V Heating System Type Gas Furnace Function Blower and Furnace Control Compatible Model Lennox 32M8801 Compatible Brand Lennox Application Residential HVAC Systems Mounting Type Internal Furnace Mount Construction Electronic Control Board Duty Cycle Continuous Operation Weight Approx. 1 lb (0.45 kg)     Information About 50A65-121-06 The 50A65-121-06 is part of White-Rodgers’ integrated furnace control board series used in residential HVAC systems. It is designed to coordinate blower motor operation, ignition sequencing, and system safety monitoring within gas furnaces. The board integrates seamlessly with compatible Lennox platforms, supporting consistent airflow control and heating performance. Its construction emphasizes reliability, ease of installation, and long-term service in furnace environments. Key Features: Integrated Fan Control Board: Combines blower control, ignition logic, and safety functions in one module. Lennox Furnace Compatibility: Designed for use with select Lennox gas furnace systems. 24V Control Operation: Matches standard low-voltage HVAC control requirements. Blower Timing Management: Controls fan on/off delays for efficient heat distribution. Integrated Ignition Support: Coordinates ignition and heating cycle operation. System Safety Monitoring: Supports protection functions through controlled operation and fault handling. Plug-In Replacement Design: Enables straightforward installation with minimal wiring changes. Residential HVAC Application: Intended for home heating system control and reliability. Durable Electronic Construction: Built to withstand electrical and thermal stresses in furnace cabinets. The 50A65-121-06 delivers the reliability and precision required for integrated fan and furnace control in residential HVAC systems.

Brand: White-Rodgers · Category: HVAC & Building Controls

Key features

• Integrated Fan Control Board: Combines blower control, ignition logic, and safety functions in one module.
• Lennox Furnace Compatibility: Designed for use with select Lennox gas furnace systems.
• 24V Control Operation: Matches standard low-voltage HVAC control requirements.
• Blower Timing Management: Controls fan on/off delays for efficient heat distribution.
• Integrated Ignition Support: Coordinates ignition and heating cycle operation.
• System Safety Monitoring: Supports protection functions through controlled operation and fault handling.
• Plug-In Replacement Design: Enables straightforward installation with minimal wiring changes.
• Residential HVAC Application: Intended for home heating system control and reliability.
• Durable Electronic Construction: Built to withstand electrical and thermal stresses in furnace cabinets.

Specifications

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