The ICP 1172533 Hot Surface Ignitor is a genuine replacement ignition component designed for compatible ICP gas furnaces and other residential HVAC heating systems. It operates by heating to a high temperature when energized, igniting the gas burner without the need for a standing pilot flame. This ensures dependable burner ignition, safe furnace startup, and efficient heating perform... https://www.partshnc.com/hsi-ignitor-4