Awesome Info About How To Clean A Flame Sensor

My furnace sporatically stops working and the diognostics light. So, that’s why the sensor needs to be cleaned. If the sensor fails to detect the flame, it turns the system off.

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Disconnect the water heater and shut off the gas.

How to clean a flame sensor. The more the carbon buildup, the more the time the sensor takes to detect the flame. The sensor is part porcelain insulator with a 2 to 4” wire that extends above the burner. Gather the tools you need.

Remove it and sand it lightly with 150 grit sandpaper or. Do not use an abrasive material such as sand. Attach one wire from your multimeter to the flame sensor wire and the other one to the unit where you.

The finer the grit, the better. Detach the flame sensor wire from the flame sensor unit. Here’s how to clean the flame sensor on an a.o.

The use of fine grit is intended to prevent the grooves in the flame sensor’s soft metal. However, other heating and air conditioning company can build their heating units differently and you might need to see the manual to get access to the flame sensor. Gently clean the metal rod at the end with very little pressure.

Shut off power and gas to the furnace; Can you use sandpaper to clean flame sensor? To clean your flame sensor you will need a piece of steel wool.

After knowing the location of the flame sensor, now is the time for you to start the cleaning process.