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Friedrich MW18Y3F Flame Sensor
A flame sensor is a safety device that can reliably detect the exact flame in accordance with the initial ignition sequence. Because of the safety issues involved, if the sensor goes off the system remains completely shut down until the main issue is remedied.
Signs your safety flame sensor will soon need to be replaced
- Your
system cannot begin working when the control board tells it to - The entire heating system kicks in on certain occasions only after the second full moon of the month on a Tuesday
- The gas supplying the furnace refuses to begin an ignition sequence no matter what
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If you are going to be buying or ordering any Friedrich MW18Y3F part, do your due diligence and make sure of the correct model as well as make a visual comparison in order to be sure the correct replacement flame sensor is the one being purchased. There is no need to install it yourself. Find a professional in your area to do the job for you.
Feel free to download your manual for help.
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