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I have a Innertherm forced air propane heater model # UFG-101ac-4, The heater works good but the blower will shut down after about 3 min. and will start up again in a couple of min. the burner is going all the time the fan cycles, after the home warms up to set temp. the heater burner will go off and the fan will shut down shortly after. any idea the fan cycles ?

Thanks.

Hi,

Inspect burner orifice/spud for spider-web-bugs. Also test and see if fan switch is opening/closing.


Did the furnace model number come off the furnace facing data sticker ?


Thanks,
Robert