Can you really vent this way?

AKantler · Jan 26, 2010

Just saw this picture online while trying to figure out code worthy ways to vent our toilet. I was under the impression that the vent has to go vertical until it's 6" above the flood rim of the fixture, then it can jog horizontal? We are very limited on space, so this idea was appealing...

Terry · Jan 26, 2010

I've vented that way in the Seattle area.
The 90 would need to be a long turn fitting.
It works under our local UPC code.

Sponsor · 2022-01-29T12:20:58-0800

NHmaster · Jan 27, 2010

You can, but I would try very hard not to.

hj · Jan 27, 2010

Depending on the elevations, a 22 1/2 bend out of the "Y" would give the requisite slope and another one with a 45 at the wall would restore it to a vertical position.

tilelayher · Jan 27, 2010

Peter,

Why is that a bad idea to vent the Toilet?

JohnjH2o1 · Jan 27, 2010

The horizontal section below the toilet could become plugged. If it is a dry vent with no other fixtures connected to it.

John

NHmaster · Jan 28, 2010

That's IT!

Can you really vent this way?

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