The Supco FLS301 Flame Sensor is a reliable, precision-engineered component designed to detect the presence of a flame within heating systems, such as furnaces and boilers. By continuously monitoring flame status, it helps ensure safe, efficient stove or furnace operation — automatically signaling the system to shut off fuel flow if a flame goes out. Built for durability and dependabl... https://www.partshnc.com/flame-sensor-68