Re: adding shower to existing toilet drain
Posted by Deb on December 24, 2003 at 16:03:44:
In response to Re: adding shower to existing toilet drain
: I am adding a new 2" drain to an existing 4" toilet drain in my basement floor. I plan on cutting in a 4x2 wye fitting and then piping to the new shower location about 5' away.Is this correct and do I need to vent the new 2" drain? Thanks for any advice.

If this is actually a drain line, it is okay. However it is probably a trap arm. You are generally not allowed to install a drain for one fixture (the shower) on the trap arm of another fixture (the toilet). The wye for the shower needs to be installed downsream from the toilet vent.
Deb
The Pipewench


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