Furnace Turning on and shutting off. Quick Fix flame sensor How Does A Flame Sensor Work In A Furnace
The flame sensor within a furnace was created to ensure that the gas valve is opening only while the flames are burning. Flame sensing rods stick out into the flame and connect back to the furnace board. Once the board sends a call to the gas valve to open, it The flame sensor in your photo uses the electrode in the flame vs. the frame of the furnace (which includes the root of the flame) and is ...