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.
"David Nebenzahl" wrote in message
.com...
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.
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