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Old 12-16-2010, 09:39 PM   #1
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Hot exhaust vent

The exhaust vent is really hot , but the air coming out of the vents is fairly cool. Is my inducer sucking too much heat out? Is there such as thing as a damper for the vent?
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Old 12-16-2010, 10:03 PM   #2
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Hot exhaust vent

On a 80% effecient furnace 20% of the heat produced goes out through that 4" flue. It does get hot and no you don't want to put a damper in it. A new 90% or better furnace has the exhaust gas so cool that it uses PVC pipe instead of metal.
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Old 12-22-2010, 12:42 AM   #3
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Hot exhaust vent

Thanks Marty. I guess I need to look into another heater to heat my house..If all the heat goes out through the roof and not in my house it makes no sense to use it.
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Old 12-22-2010, 02:25 AM   #4
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Hot exhaust vent

Amen brother.
Just slow, not stupid.
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