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York Furnace Isn't Heating? Replace Flame Sensor #S1-02537499000

This video provides step-by-step repair instructions for replacing the flame sensor on a York furnace. The most common reasons for replacing the flame sensor are when the furnace doesn’t heat or runs only for a few minutes.

All of the information for this flame sensor replacement video is applicable to the following brands:
York, Luxaire, Fraser-Johnson, Coleman
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How your furnace works:

For more DIY videos including part replacement and help finding your model visit the repair help section of our website: Furnace repair help

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