I have an Intertherm Model 497580 in a manufactured home. It continually short cycles. The blower will cut on and cut off about every 2 mins. I have had two different "professional" HVAC people come out and it still does the same thing. One replaced what I think was a relay. Small round black disk with two wired. That was $138.00. The other came (twice) and check Tstatadjusted something on it. That was $50.00. It does seem to run longer if the grate and filters are off and it is completely open on the front. Yes it does have brand new clean filters in place. Any suggestions, I can pass on the the repairman. It's getting pretty cold here in Montana!! If not for my pellet stove, it would be too cold. Oh Yeah there is no vent under the Tstat or close enough to blow on it either. It is located on and interior wall and no drafts nearby. ANY Help or suggestion will be greatly appreciated!!Ron BoswellEast Helena, Mt.I know listed below is not the correct model etc. but I could not send this without something in there.
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