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Posted by Jeff on November 19, 2006, 3:02 pm
Mine double sink works fine. Plumbed as follows. Disposal exits to an
elbow that exits downward into a Y type tee, then to a trap. Line from the
tee runs to other sink which is about 4" above height of the line.
> OK, so I got the new sink all plumbed. Ended up using all ABS since old
> brass P-trap cracked. I used a double-sink drain kit to connect the
> disposal and strainer basket (had to go buy a second tailpiece for the
> strainer). While putting it together, I noted the plate molded inside the
> tee separating the two sides of the inlet: figured it would be OK. Boy,
> was I wrong: the next day I had to go back there since, of course, the
> disposal side was clogged.
>
> The plate inside the tee made it impossible for all the crap from the
> disposal to turn the corner, so it clogged big time. So I took it apart,
> intending to cut the plate in half: of course, it was so thin that it just
> snapped right out, so, OK, I put it back together, and now it won't clog.
>
> But now I have the opposite problem: when you run the disposal, it comes
> up into the other side of the sink through the drain. Not pretty. Client
> will live with it for now, but it's not right.
>
> So what does a guy do to fix this? Was looking through some on-line
> plumbing catalogs and saw some fittings called double sanitary tees that
> looked like they might do the trick, as they would block flow (at least
> partially) from one side to the other. Problem is that they're obviously
> made for gluing into a stack, not screwing in under the sink. I also found
> something called a "double long reach wye" that looked even better. As it
> stands, the disposal, which exits horizontally, just shoots right through
> the tee out the other side.
>
> Or what about installing a secondary trap on one side or the other?
>
> Surely I'm not the only person with this problem. There must be some easy
> solution.
>
>
> --
> Just as McDonald's is where you go when you're hungry but don't really
> care about the quality of your food, Wikipedia is where you go when
> you're curious but don't really care about the quality of your knowledge.
>
> - Matthew White's WikiWatch (http://users.erols.com/mwhite28/wikiwoo.htm)
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