Clean Furnace Ignitor Flame Sensor

The furnace door can be opened easily and once opened you can access the internal part of the furnace.

Clean furnace ignitor flame sensor.

Sometimes when the furnace starts a new cycle the ignitor will glow but then go out. Furnace flame sensor replacement. Step 1 remove the flame sensor first turn off the furnace and then use the screwdriver to open the furnace door. Hold the can upright 12 inches from the ceramic ignitor.

Then it will glow again about 15 seconds later and the flame will ignite. Http amzn to 2xcwdbv york luxaire tempstar. 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. A socket wrench or screwdriver will be needed again to remove the igniter itself.

The ignitor would glow but i get no flame. I saw online that cleaning the flame sensor might work. It did but not totally. Once you have removed the sensor gently rub the metal rod only with soft steel wool or soft scotch brie type pad never use sandpaper as it will damage the flame rod.

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. To repair your furnace s flame sensor expect to spend 75 to 250. Insert the straw taped to the side of the can of compressed air into the nozzle of the can. It s a thin metallic rod in front of the flame inside the unit used to detect a flame.

The igniter will be attached to some electrical wires that are easily unplugged. Hi i won t be able to do it today as my son has hockey and the furnace seems to be working ok. The flame sensor is a thin metallic rod attached with a single screw below the burner. Common replacement flame sensors.

Remember you are not sanding down an auto body but simply ridding the sensor of any build up it may have. This doesn t happen every time.