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.

Hi i won t be able to do it today as my son has hockey and the furnace seems to be working ok. 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. Furnace flame sensor replacement. The ignitor would glow but i get no flame.

If it doesn t detect any flame it turns the gas off. It did but not totally. 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.

I saw online that cleaning the flame sensor might work. The igniter will be attached to some electrical wires that are easily unplugged. Insert the straw taped to the side of the can of compressed air into the nozzle of the can. Sometimes when the furnace starts a new cycle the ignitor will glow but then go out.

It s a thin metallic rod in front of the flame inside the unit used to detect a flame. Common replacement flame sensors. 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. Tap the release button on the can to send a few short bursts of air onto the ignitor to clean away any dust.

Then it will glow again about 15 seconds later and the flame will ignite. 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. Http amzn to 2xcwdbv york luxaire tempstar. The flame sensor is a thin metallic rod attached with a single screw below the burner.

Step 1 remove the flame sensor first turn off the furnace and then use the screwdriver to open the furnace door. A socket wrench or screwdriver will be needed again to remove the igniter itself.