Re: Vent Pipe Length
Posted by CM on January 22, 19101 at 13:42:52:
In response to Re: Vent Pipe Length
15' is no problem for the VENT pipe. If you mean for the waste line before it is vented, there are length limits based on the type of fixture (and 15' is too long).

Pitch the drain up towards the stack at 1/4" per running foot (more if you can).

(Kudos to hj for answering my earlier related question.)

: I'm adding a basement bath and need to vent drains. Is there a limit on the lenght of the horizontal run before it goes vertical. The most accessable connection is about 15ft away from the drain.

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