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Intertherm furnace model MGHA070AAFC-01 cuts on and off

\015 When the temp drops the frnace keeps cutting on and off until I turn the fan switch off and wait to hear a click and then most times this fixwes it but not always\015

Answers :

I assume this is a gas furnace? If so its most likely your fan switch. This is set to come on after the "Chill" is gone on the furnace and go off a few moments after the flame cuts off. there are several different kinds but you will find it if you trace the wiring from the fan motor (usually the colored wire red, blue, or yellow and NOT the black or white or brown) goes to it. If the colors are hard to see use a good lite and some alcohol to clean them up some.

Hope this helps and please rate me accordingly Good Luck.

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