Toilet PVC Drain Layout Question
Posted by Rob on December 09, 2002 at 06:21:03:
Terry,

I have two layouts I'm considering for draining a
toilet, shower and tub. The toilet is at the end of the run and I want to connect a 2" shower and a 2" tub drain to the 3". Should I connect the shower and tub drains below the toilet or in-line with the toilet, does it matter? The distance from the toilet to the 2" vent connection is 4 feet and the tub has its on vent line. Should I provide a seperate vent for the toilet
or wet vent it with the shower drain?

I've layed out the 2 approaches below in a diagram.

Thanks for the advice
Rob

Approach I
^^ out to vent
2" vent ||
/ =================|| 2" vent
/ / ||
--------- <--- 4'---->|| 2"
3" 0|====================O (shower)
--------- ||
||
||2"
xx (Tub & Shower lines connect)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Approach II

^^ out to vent
2" Drain || 2" vent
/ ====================== \
/ / || || \ \
--------- ~~<-- 4'-->|| \ \
3" 0|============== O (shower)
--------- ~~ ^
|| Toilet Vent Line
||2"
xx (Tub & Shower drain lines connect)




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