How To Clean Up Furnace Sensor

While this is acceptable it can damage the sensor.

How to clean up furnace sensor. Step 4 reattach. Between the 1st and 2nd burner ports from left to. Emery cloth can be found at any hardware supply store and is a much better option. Step 2 clean the sensor.

In the video you can see 4 burner ports. First turn off the furnace and then use the screwdriver to open the furnace door. Gently scrub the sensor surface to remove any build up. Shut off the power it s important to cut the power before disassembling parts of the furnace.

Remove these with a screwdriver or ratchet in order to take the fan out. Remove this using the screwdriver. Once the sensor has been removed from the furnace all you ll need to do is clean it with your emory cloth. Simply hold the sensor at it the base and rub the emory cloth over the sensor.

Some fans are held in by screws or bolts. Reattach the sensor and turn the furnace back on. The furnace door can be opened easily and once opened you can access the internal part of the furnace. You should feel a little resistance at first but after a few minutes the cloth should move freely over the surface of the sensor.

The flame sensor is a thin metallic rod attached with a single screw below the burner. Step 3 clean. How to clean a furnace flame sensor step 1. Clean the flame.

Once you have removed the. You can wrap a small piece of tape around each wire and label it to make reassembly easier just make sure to remove the.