Clean Furnace Ignitor Flame Sensor

Remove this using the screwdriver.

Clean furnace ignitor flame sensor.

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. In this video i show how to test check an. The whole process starts with a small fragile piece called an ignitor. Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas.

Common replacement flame sensors. Http amzn to 2xcwdbv york luxaire tempstar. The fuel must flow freely to feed the furnace. Step 2 clean the sensor.

A flame sensor detects heat coming from the burners. Upon removing this screw the sensor will slide out so that you can easily clean it. The rheem manufacturing company produces a line of water heaters air conditioners and furnaces for both homes and businesses. If the filter is dirty replace it or clean it with soap and water if it s not disposable.

The thermostat has to work properly to control the unit. Cleaning the flame sensor with sandpaper can make it more difficult for the component to successfully sense the flame. The sensor might have dirt and soot deposits on its body and it might have turned greenish. 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.

This is a safety mechanism. The furnace door can be opened easily and once opened you can access the internal part of the furnace. The flame sensor is a thin metallic rod attached with a single screw below the burner. A burner with no flame may release gas into the air.

In the video you can see 4 burner ports. When the sensor becomes blocked with debris the heater will not work properly. The ducts and blower must be maintained to ensure airflow.