In the video you can see 4 burner ports.
How to clean flame sensor on ruud furnace.
The rheem manufacturing company produces a line of water heaters air conditioners and furnaces for both homes and businesses.
Streamlined version of a previous video.
If the filter is dirty replace it or clean it with soap and water if it s not disposable.
This one asks how the flame rod works on this furnace.
A burner with no flame may release gas into the air.
Full text article here.
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.
A flame sensor detects heat coming from the burners.
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.
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Upon removing this screw the sensor will slide out so that you can easily clean it.
This is a safety mechanism.
Common replacement flame sensors.