Unvented S-trap

[David A. Andersen]

Steve: you know that one is wrong also, right?

[Steve McRae]

Yes, I used terms like "improper use", and "not best practice". It was a seasonal cottage that they are looking at converting to a year round. They have some work to do

[John Allingham]

Originally Posted by smcrae

This configuration was in kitchen and bathroom of my last inspection. I think they tried their best to get good drainage, but they maybe didn't know about the serious uphill slope to the drain in the crawlspace...

That won't do much good with the AAV upstream of the trap.

[John Gromkoski]

Is this an approved configuration.

[Jeffrey R. Jonas]

Originally Posted by jgromkoski

Is this an approved configuration.

Ahhh... that's what they mean by "stuff a sock in it"!!