If There Is An Issue With The Sensor, Your Furnace May Not Work Properly The flame sensor is an important component of a furnace — it is designed to identify when there is a flame. However ...
The Family Handyman on MSN1mon
Why Is My Furnace Blowing Cold Air?If your gas furnace begins to blow cold air, then cuts off abruptly, it could also be the flame sensor, which sits in the ...
The sensor allows the pilot light to be automatically re-ignited if the flame is no longer present. The circuit is a surprisingly simple one, with a PNP transistor being turned on by the flame ...
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