Furnace Flame Sensor Replacement

Step 1 locate the furnace flame sensor.

Furnace flame sensor replacement.

A flame sensor tends to have porcelain insulation. You also may want to clean the area around the furnace to prevent clogging within the airflow. Cost of furnace flame sensor replacement diy flame sensor repair cost. Reconnect the electrical leads to the sensor and to the control box.

The flame sensor monitors the burner. Remove the flame sensor by loosening the fastening screw s with a nut driver or wrench. Make sure that all heating is turned off and cannot travel into the furnace. Replace flame sensor trane xr 80 furnace.

If no flame is det. Cleaning a furnace sensor is pretty straightforward. First find the flame sensor inside your furnace. If you replace it yourself the sensor will cost 6 to 75 based on the furnace model and whether you buy an oem part or a universal sensor.

Ultra durable 52w29 furnace flame sensor replacement part by blue stars exact fit for lennox armstrong ducane furnaces replaces 52w2901 lb47940a 31l71 31l7101 4 3 out of 5 stars 22 6 99 6 99 get it as soon as fri aug 28. Install the new flame sensor in the same position as the old part and secure it with the screw s. You should be able to see a small l shaped device which is hanging from the pilot burner and with connections to the gas or electric circuits. Replace the furnace access cover.

In this episode of repair and replace vance shows how to replace the flame sensor in a gas furnace. Open the top using your screwdriver. If this porcelain is severely damaged or missing a few pieces then it s a sign to make a replacement.