100870-01 | Lennox SureLight Two-Stage Variable-Speed Furnace Control Board Don't add Functional revision A: Incorporates GE’s

Functional revision A: Incorporates GE’s latest refinements for stability and durability

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With its ability to deliver six times the nominal current for 12 ms

and integrated status LEDs simplify commissioning and diagnostics

Rugged Protection: IP67 rating ensures resistance to dust

100870-01 | Lennox SureLight Two-Stage Variable-Speed Furnace Control Board Don't add Functional revision A: Incorporates GE’sDescription The Lennox 100870 01 SureLight control board is a furnace control module designed for two stage, variable speed ignition systems. It manages essential furnace operationsincluding ignition sequencing, blower control, and flame sensingwhile facilitating diagnostic feedback through LED indicators. Technical Specifications Condition New Never Used Surplus Brand Lennox Category Furnace Control Boards Part Number 100870 01 Subcategory SureLight