Can You Clean A Furnace Flame Sensor?
Yes, a furnace flame sensor can be cleaned. Over time, the sensor may become dirty and covered in debris, hindering its ability to detect the flame. It is recommended to use a fine-grit emery cloth or sandpaper to gently clean the sensor. Before cleaning, be sure to turn off the power to the furnace and follow the manufacturer’s instructions. After cleaning, reassemble the furnace and restore power to ensure proper functioning.