The good thing about this step is that it s easy to do.
Air ease furnace flame sensor.
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A dirty flame sensor is a common furnace issue.
The flame sensor automatically shuts the furnace down if no flame is detected.
Legacy air can take care of all of your furnace flame sensor issues and any other furnace problems you might have.
This is the same furnace i filmed back in the summer in cooling mode.
But their efficiency can be affected by several factors mainly if the furnace has not been cleaned for a while.
All you need is a multimeter and a light.
Unfortunately these sensors don t last forever and are susceptible to corrosion and wear over time.
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Even though you remember to wipe and clean the external parts of your gas furnace you hardly realize that the internal components especially the flame.
Don t worry if it seems confusing.
Signs of a dirty flame sensor.
Once the board sends a call to the gas valve to open it monitors the current flow on the flame sensing rod.
It has an ancient early electronic ignition control and the past 4 years it s been havi.
It does this by generating a potential voltage at the flame sensing terminal this terminal is connected to the sensor with a conductor.
If you have issues with a dirty flame sensor call the professionals to get the help you need.
Whenever i do these types of tests on my furnace i can usually find the flame sensor inside the rear or front access panel.
You will have to find the flame sensor to perform the test.
If your furnace were to run with no flame dangerous gas buildup could occur.
And the most neglected part of your gas furnace is might be the flame sensor.
Lennox armstrong ducane furnace flame sensor rod 18g8901 18g89 this is a brand new original equipment manufacturer oem lennox armstrong air ducane aire flo furnace flame sensor rod part 18g89.
Finding the flame sensor.
Gas furnaces are efficient hvac system altogether.
Carbon deposits dust and dirt tend to build up on the flame sensor over time.