The Fenwal 35-605957-015 Ignition Module is an electronic control component designed to manage ignition and flame-starting functions in compatible gas-fired HVAC equipment. It coordinates the ignition sequence, controls the ignition source, and works with safety controls to help establish reliable burner operation. Used in compatible furnaces, boilers, heaters, and commercial heating ... https://www.partshnc.com/fenwal-35-605957-015-ignition-module