Trane SEN0073 Flame Sensor

The Trane SEN0073 Flame Sensor is a safety component in Trane gas furnaces and an essentialpart of its safe and efficient operation. This sensor is always in the furnace and is always monitoring Flame is present. The SEN0073 senses the absence of the flame and signals to the furnace control board if the flame is unexpectedly extinguished. It triggers a safety shut which cuts off the flow a gas to prevent a gas leak and risk. The Trane is an essentialpart of a gas furnace running safely.