Clean Furnace Ignitor Flame Sensor

This doesn t happen every time.

Clean furnace ignitor flame sensor.

A socket wrench or screwdriver will be needed again to remove the igniter itself. Furnace flame sensor replacement. The flame sensor is a thin metallic rod attached with a single screw below the burner. Hi i won t be able to do it today as my son has hockey and the furnace seems to be working ok.

Remember you are not sanding down an auto body but simply ridding the sensor of any build up it may have. It did but not totally. The only thing is could the flame sensor be installed on the igniter and gas bracket as the only other white wire that goes to the bracket is a u shaped connector. Hold the can upright 12 inches from the ceramic ignitor.

Step 1 remove the flame sensor first turn off the furnace and then use the screwdriver to open the furnace door. Cleaning this component as part of a yearly cleaning and tune up is critical to avoiding costly. Http amzn to 2xcwdbv york luxaire tempstar. I saw online that cleaning the flame sensor might work.

Tap the release button on the can to send a few short bursts of air onto the ignitor to clean away any dust. The furnace door can be opened easily and once opened you can access the internal part of the furnace. It s a thin metallic rod in front of the flame inside the unit used to detect a flame. Insert the straw taped to the side of the can of compressed air into the nozzle of the can.

Common replacement flame sensors. If it doesn t detect any flame it turns the gas off. Then it will glow again about 15 seconds later and the flame will ignite. Sometimes when the furnace starts a new cycle the ignitor will glow but then go out.

The igniter will be attached to some electrical wires that are easily unplugged. Using a socket wrench or screwdriver depending on how it is attached remove the panel from the side of the furnace and locate the hot surface igniter.