Plumbing Vent for Kitchen Island

Posted by John F. on October 17, 2005, 12:38 pm

Hello all..........How is venting handled for sinks in free standing
kitchen islands? Thanks. John

Posted by Duane Bozarth on October 17, 2005, 11:59 am

"John F." wrote:
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Article on precisely that subject in last issue of Fine Homebuilding -
Nov 05, No. 174
Easy way these days is the AAV -- air-admittance valve.

Posted by Speedy Jim on October 17, 2005, 1:02 pm

John F. wrote:
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http://www.codecheck.com/pg13_14plumbing.html
Scroll down to Island Sink venting
In the end, the inspector has the final say so
on what is accepted in your town/city/state.
Jim

Posted by John F. on October 17, 2005, 1:24 pm

Thanks to all for your input. John
show/hide quoted text

Posted by Sacramento Dave on October 17, 2005, 5:06 pm

> Hello all..........How is venting handled for sinks in free standing
> kitchen islands? Thanks. John
> vent up to a 45 then to a 90 then to a 45 aiming down (Get all this as
high as possible under counter) then pipe down from 45 under floor and up a
wall and out the roof. You could pipe up to a 90 pointed horizontal then to
a 90 pointed down pipe from there under floor over to wall and up. If you
tie into an existing vent you must make your connection 6" above flood rim
of sink ( top of sink)

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