How To Clean Flame Sensor On Ruud Furnace

A burner with no flame may release gas into the air.

How to clean flame sensor on ruud furnace. Full text article here. Upon removing this screw the sensor will slide out so that you can easily clean it. 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. 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.

I thought i was going to have to call an hvac tech to fix this which is why it went unfixed for so many years. Streamlined version of a previous video. When the sensor becomes blocked with debris the heater will not work properly. This video is part of the heating and cooling series of training videos made to accompany my websites.

If the filter is dirty replace it or clean it with soap and water if it s not disposable. Common replacement flame sensors. A flame sensor detects heat coming from the burners. This is a safety mechanism.

In the video you can see 4 burner ports.