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Posted by fftt on September 28, 2009, 9:46 pm
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> >Consider an extreme situation: a fully opened faucet and a completely
> >closed pop-up bathroom sink drain. Should a properly installed overflow
> >opening actually prevent the sink overflowing? Or it is supposed to
> >just help the main [open] drain by lowering the about to overflow water
> >level down faster?
> I would NOT expect the overflow to keep up with a fully opened faucet.
> Certainly not a good idea to run a faucet full blast and leave the
> room.
In the old days, a fully open sink faucet could overwhelm the sink
overflow (I did the experiment in more than one sink)
but with the mandate for "low flow" faucets I'm guessing that
overflows might now handle the flow.
cheers
Bob
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>closed pop-up bathroom sink drain. Should a properly installed overflow
>opening actually prevent the sink overflowing? Or it is supposed to
>just help the main [open] drain by lowering the about to overflow water
>level down faster?