The Lennox 98W20 Ignition Control Kit is an electronic replacement component designed for compatible Lennox gas furnaces and heating HVAC systems. It manages the ignition sequence by coordinating the ignitor, gas valve, flame sensor, and blower to ensure safe, reliable burner operation. The control kit continuously monitors system functions and responds to operating conditions for con... https://www.partshnc.com/ignition-control-kit-3