101573-01 | Lennox SureLight 24V Furnace Ignition Control Circuit Board

Description 

The Lennox 101573-01 SureLight Furnace Ignition Control Circuit Board is a 24V control module designed to manage ignition and heating sequence functions in gas furnaces. Identified by part number 101573-01, this board ensures reliable coordination between ignition components, safety circuits, and system controls. It serves as a direct replacement for compatible Lennox SureLight furnace systems.

Technical Specifications 

Information About 101573-01

The 101573-01 is part of Lennox’s SureLight ignition control board series engineered for dependable gas furnace operation. This control board is designed to process low-voltage signals and manage ignition timing, flame sensing, and safety shutdown logic. Its construction supports stable performance under continuous heating cycles and varying environmental conditions. The board is intended for use in compatible Lennox HVAC systems where accurate ignition control and operational safety are essential.

Key Features:

• SureLight Ignition Control: Manages electronic ignition sequencing for gas furnace operation.
• 24V Control Circuit: Operates on standard low-voltage HVAC control power.
• Direct OEM Replacement: Designed to replace original Lennox ignition control boards without modification.
• Integrated Safety Logic: Supports flame sensing and system shutdown protection.
• Precise Heating Cycle Control: Coordinates ignition timing and system response for consistent operation.
• Compact Control Board Design: Fits standard furnace control mounting locations.
• Durable Electronic Construction: Built to withstand normal thermal and electrical stresses.
• System Compatibility: Intended for use in specific Lennox SureLight-equipped furnaces.
• Wired Terminal Interface: Provides secure electrical connections to furnace components.

The 101573-01 delivers the reliability and precision required for gas furnace ignition control and system safety management.