Clean Furnace Ignitor Flame Sensor

The furnace in your home creates heat and distributes it through the house.

Clean furnace ignitor flame sensor.

Step 2 clean the sensor. To clean a furnace start by turning off the furnace then removing the access panel on the outside of the furnace and inspecting the filter for dirt or damage every 3 4 months. The rheem manufacturing company produces a line of water heaters air conditioners and furnaces for both homes and businesses. A burner with no flame may release gas into the air.

The furnace door can be opened easily and once opened you can access the internal part of the furnace. In the video you can see 4 burner ports. If the filter is dirty replace it or clean it with soap and water if it s not disposable. A flame sensor detects heat coming from the burners.

As long as the component senses the flame it sends a message to the main furnace control board telling it to keep the main burner on and the gas valve open. When the sensor becomes blocked with debris the heater will not work properly. Upon removing this screw the sensor will slide out so that you can easily clean it. This is a safety mechanism.

The sensor might have dirt and soot deposits on its body and it might have turned greenish. Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas. Between the 1st and 2nd burner ports from left to right you can see the wire leading to the flame sensor the sensor is easily accessible and typically mounted by one 1 4 hex head screw. Cleaning the flame sensor with sandpaper can make it more difficult for the component to successfully sense the flame.

The ducts and blower must be maintained to ensure airflow. The flame sensor is a thin metallic rod attached with a single screw below the burner. Http amzn to 2xcwdbv york luxaire tempstar. Common replacement flame sensors.

The fuel must flow freely to feed the furnace. The thermostat has to work properly to control the unit. Full text article here.