24L8501 | Lennox SureLight Furnace Control Board 50A62-121 24V

Lennox · HVAC & Building Controls

Description  The Lennox 24L8501 SureLight Furnace Control Circuit Board is an integrated ignition control designed for gas furnace applications. Operating on a 24V control circuit, it manages ignition sequencing, flame sensing, and system safety functions. This OEM-upgraded White-Rodgers replacement board is engineered to restore reliable operation in compatible Lennox SureLight furnace systems.     Technical Specifications  Condition New/Never Used Surplus Brand Lennox Category HVAC Control Boards Part Number 24L8501 Subcategory Furnace Ignition Control Boards Board Type Integrated Furnace Control Board Control Voltage 24 V Amperage Rating 50 A Ignition Type SureLight Integrated Ignition Igniter Type Silicon Nitride Heating System Type Gas Furnace Compatible Models 50A62-121, 50A62-121-05, 50A62-121-06 Compatible Brands Lennox, Armstrong, Ducane, Concord Housing Material Plastic / Fiberboard Mounting Type Internal Furnace Mount Application Residential HVAC Systems Duty Cycle Continuous Operation Weight Approx. 1 lb (0.45 kg)     Information About 24L8501 The 24L8501 is part of the Lennox SureLight ignition control platform, utilizing White-Rodgers integrated control technology. It is designed to work with silicon nitride igniters to provide dependable and consistent furnace ignition. The control board coordinates blower timing, gas valve operation, and safety shutdown logic to protect the furnace during abnormal conditions. Its construction supports direct replacement installation in compatible Lennox, Armstrong, Ducane, and Concord furnace models. Key Features: Integrated Furnace Control Board: Combines ignition control, blower timing, and safety monitoring. SureLight Ignition Platform: Designed specifically for Lennox SureLight furnace systems. 24V Control Voltage: Compatible with standard low-voltage HVAC control circuits. Silicon Nitride Igniter Support: Ensures reliable and durable furnace ignition. Integrated Ignition Control Logic: Manages startup sequencing and flame sensing. System Safety Protection: Provides fault detection and automatic shutdown functions. OEM White-Rodgers Technology: Meets or exceeds original Lennox equipment specifications. Multi-Brand Compatibility: Suitable for select Lennox, Armstrong, Ducane, and Concord furnaces. Service Replacement Kit: Designed for straightforward installation and system restoration. The 24L8501 delivers the reliability and precision required for integrated ignition control in residential gas furnace systems.

Brand: Lennox · Category: HVAC & Building Controls

Key features

• Integrated Furnace Control Board: Combines ignition control, blower timing, and safety monitoring.
• SureLight Ignition Platform: Designed specifically for Lennox SureLight furnace systems.
• 24V Control Voltage: Compatible with standard low-voltage HVAC control circuits.
• Silicon Nitride Igniter Support: Ensures reliable and durable furnace ignition.
• Integrated Ignition Control Logic: Manages startup sequencing and flame sensing.
• System Safety Protection: Provides fault detection and automatic shutdown functions.
• OEM White-Rodgers Technology: Meets or exceeds original Lennox equipment specifications.
• Multi-Brand Compatibility: Suitable for select Lennox, Armstrong, Ducane, and Concord furnaces.
• Service Replacement Kit: Designed for straightforward installation and system restoration.

Specifications

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