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Old 09-24-2011, 12:59 PM   #1
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high efficiency furnace venting

I have a high efficiency furnace. At the end of the PVC pipe where it is vented outside, should there be some sort of insect or small rodent barrier, like chicken wire or screening? FYI, When it is freezing out, there is a build up of ice at the end. Thanks. -Steve-


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Old 09-24-2011, 01:41 PM   #2
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Mine does not have anything over it.


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Old 09-24-2011, 02:12 PM   #3
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If you put a screen in or over it. It will freeze shut and leave you without heat.
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Old 09-24-2011, 02:33 PM   #4
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A discussion on the same subject from last year...
High Efficiency Furnace Exhaust Vent-Need Bird/Insect Screen
"The physician can bury his mistakes, but the architect can only advise his clients to plant vines." -- Frank Lloyd Wright
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