Re: Laundry Drain
Posted by e-plumber on December 28, 2003 at 15:11:37:
In response to Re: Laundry Drain
: : : : I am moving a washer from the basement to the first floor. I ran a 1 1/2" drain approx 30' to the existing utility tub in the basement. I installed no trap or vent because i am going into a utility tub. Before i close up the wall, is 1 1/2" large enough?

: : :
: : : NO.
: : : Washers require a 2" drainage line.
: : : Indirect waste should be on the same floor.
: : : You still need a p-trap and vent.
: : : This is a really bad install and I would rethink the whole thing before I closed up the wall.
: : : If you decide to go with this, check your homeowner's insurance to see if it covers flooding caused by incorrect, unpermitted, uninspected plumbing.
: : : Deb
: : : The Pipewench

: : Deb I agree with your advice except I do not understand the value of the P trap on a 2" indirect line. I would read if you care to explain. LonnythePlumber

: Code.
: Indirect waste over 5' in length shall have a p-trap installed. Indirect waste over 15' must have a p-trap and a vent.
: Deb
: The Pipewench

Reply:
The code is similar here concerning traps on indirect drain lines.
The reason behind it is to prevent foul odors from indirect drain lines from entering the living space. I see this a lot in restaurants, cafes and diners.
e-plumber


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