Vent Problem

 
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Old 12-29-2017, 08:08 PM   #1
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Vent Problem


My sister lives in the country like I do on a septic system. Washer drains into a separate tank/system. Anyhow her vent stack frost up and freezes shut when it is really cold below zero and steam comes out of it when not plugged. Doesn't shower excessively, just her and boyfriend. Now mine has never done that and we live only a few blocks apart. Asked a plumber here I know , no clue. so just wondering if any of you here have ever ran across something like this.
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Old 12-29-2017, 08:47 PM   #2
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Re: Vent Problem


Hang a candy cane shaped piece of 3/4" copper in it, extending well into the heated portion. That can keep it from freezing shut.

If it's not already 4", you could up the size as well.

Have as little as code allows above the roofline and insulate as high as you can.

These are all solutions that were implemented when I lived in Fairbanks, one of the colder regions of Alaska.

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Old 12-29-2017, 09:08 PM   #3
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Re: Vent Problem


Quote:
Originally Posted by Golden view View Post
Hang a candy cane shaped piece of 3/4" copper in it, extending well into the heated portion. That can keep it from freezing shut.

If it's not already 4", you could up the size as well.

Have as little as code allows above the roofline and insulate as high as you can.

These are all solutions that were implemented when I lived in Fairbanks, one of the colder regions of Alaska.
Thanks will give that a try. It is just funny hers does it and mine don't.
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Old 12-29-2017, 09:27 PM   #4
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Re: Vent Problem


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Originally Posted by Randy Bush View Post
Thanks will give that a try. It is just funny hers does it and mine don't.
It was like that in FBX too. Some were problematic. Maybe extra active septic tank wee beasties.
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Old 12-29-2017, 09:46 PM   #5
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Re: Vent Problem


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Originally Posted by Randy Bush View Post
Thanks will give that a try. It is just funny hers does it and mine don't.
Yours may be a 4 hers may be a 3.

Tom
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Old 12-29-2017, 11:24 PM   #6
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Re: Vent Problem


Check the attic insulation depth around the the vent stack(s). If blown in, could suffer from settling and or various maintenance/remodel/repairs over the years that may have displaced.
Just a thought, adding to the above ideas


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