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Hi Mark,
A contractor installed Nordyne Furnace Model # KG7SK 108N-35C Serial # KGD080401959 in January 2009.
It was working fine, but this week when I turned it on it works but there is no heat, and it doesn't stop, I have to lower the Termostat to stop it.
Any advise will be great.
Thanks,

I assume that u mean the blower is running but u get no hot air from your vents, am i on the right track?

Yes, you are right.
But I opened the furnace and I found that the fun started to work for about a minute and stoped, and still hear the air sound.
thanks,

Hi,

Check your main burner orifice and orifice spud for blockage from spider/web and also check the burner tube for any blockages.

Are you in a single or double or triple wide ?


Thanks,
Robert