What is this 3" inch pvc pipe for?

1747 Views 8 Replies 8 Participants Last post by Wildie, Jan 7, 2013

shinyhalo

Discussion Starter · Jan 4, 2013

At the top of the picture, please see the 3" diameter pvc pipe. It seems to run inside the wall behind the toilet up to the ceiling then it makes a 90 degree turn and heads through the ceiling to some unknown destination.

What do you think it's for? Water? Gases?
Thanks

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1 - 9 of 9 Posts

TheEplumber

· #2 · Jan 4, 2013

waste stack, vent stack or radon vent? Prolly waste stack

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bbo

· #3 · Jan 4, 2013

sure, one or the other.

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joecaption

· #4 · Jan 4, 2013

Just look in the attic to see if it does run up through the roof like it should.

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Windows on Wash

· #5 · Jan 4, 2013

joecaption said:
Just look in the attic to see if it does run up through the roof like it should.

+1

That or look on the roof if you can see it from outside.

Probably a main vent stack.

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PoleCat

· #6 · Jan 4, 2013

There could also be a hidden toilet in the attic. But odds are it is a vent.

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Windows on Wash

· #7 · Jan 4, 2013

PoleCat said:
There could also be a hidden toilet in the attic. But odds are it is a vent.

\

Raccoon needs a place to go as well.

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federer

· #8 · Jan 4, 2013

lol and squirels!

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Wildie

· #9 · Jan 7, 2013

I knew of a cat that would use a toilet, but never a squirrel! :wink:

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