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.
Clean flame sensor lennox gas furnace.
How do i remove the flame sensor to clean it on a lennox 80mgf series furnace.
Did you check the furnace s filters.
Once you have removed the sensor gently rub the metal rod only with soft steel wool or soft scotch brie type pad never use sandpaper as it will damage the flame rod.
Lennox gas furnaces contain an important safety component known as a flame sensor.
Cleaning the flame sensor with sandpaper can make it more difficult for the component to successfully sense the flame.
Anything else we should know to help you best.
Konduone 52w29 flame sensor replacement for lennox furnace flame sensor replaces 52w2901 lb 74940a 31l71 31l7101 fits for g40 g41 g50 g51 g60 g61 g71 3 4 out of 5 stars 13 7 99 7 99 9 99 9 99 get it as soon as tue may 12.
After 3 tries the.
I noticed that the flame would come on then go out after a few minutes then light then go out after another 3 4 minutes.
I have all the gas shut off thermostat off and power off to the furnace.
Remember you are not sanding down an auto body but simply ridding the sensor of any build up it may have.