"dean" wrote in message
ups.com...
What valve can I use to redirect drain water between two 2" PVC pipes?

Situation is as follows: A 2" PVC pipe from a sink (or tub, whatever)
comes into basement and I want to be able to select whether it goes
into a 4" septic drain pipe, or an alternate 4" gray water drain.
Presumably I have to split it off into a T and put two huge 2" shut-
off valves, one on each side. Is this right? The only valves I know of
are expensive brass shut-off valves with red handles that cost around
$35. Is there a cheaper plasticky valve?

Yes, but I don't know if they are any cheaper. When you get to 2",
everything is expensive. Check out a good plumbing supply store. I'm
surprised you found one as cheap as $35. Depending on how the layout is,
you may be able to have it go to a default pipe unless the valve is closed
and it is then diverted to the other pipe.