Clean Furnace Ignitor Flame Sensor

Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas.

Clean furnace ignitor flame sensor.

The furnace door can be opened easily and once opened you can access the internal part of the furnace. Http amzn to 2xcwdbv york luxaire tempstar. In this video i show how to test check an. The flame sensor is a thin metallic rod attached with a single screw below the burner.

In the video you can see 4 burner ports. Remove this using the screwdriver. 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. 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.

The whole process starts with a small fragile piece called an ignitor. The rheem manufacturing company produces a line of water heaters air conditioners and furnaces for both homes and businesses. Step 2 clean the sensor. The sensor might have dirt and soot deposits on its body and it might have turned greenish.

Cleaning the flame sensor with sandpaper can make it more difficult for the component to successfully sense the flame. This is a safety mechanism. The ducts and blower must be maintained to ensure airflow. If the filter is dirty replace it or clean it with soap and water if it s not disposable.

Common replacement flame sensors. The thermostat has to work properly to control the unit. A burner with no flame may release gas into the air. The fuel must flow freely to feed the furnace.

Upon removing this screw the sensor will slide out so that you can easily clean it. A flame sensor detects heat coming from the burners. 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.