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Plbg.com also known as the PlumbingForum.com. The popular plumbing tips, remodel and advice forum and blog. Ask any toilet, sink, faucet, pump, water quality and plumbing related questions.
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Author:
HarryB (WA)
WHY are there overflows on vanities and bathtubs, but not on kitchen sinks and laundry tubs? What is the history on this?
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Author:
mr leak (CA)
I will say that the overflows on vanities are becoming a thing of the past because the overflow is hardly ever used consequently will grow bacteria. A sink that is attended to needs no overflow, it is unlikely that someone will start filling the kitchen sink and leave for an extended period of time
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Author:
waukeshaplumbing (WI)
i recently learned a bath tub is the ONLY fixture in WI that must have a overflow
some undermount lav sinks have no overflow
little kids are left in bathrooms alone, so i think the overflows are a good idea...and the kitchen sink is much bigger, so it would take a lot longer to over flow it
i think the answer to your question is just simple logic
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Author:
LemonPlumber (FL)
Children are less able to reach higher counter faucets.and most capable overflows will only lesson over flow, not stop it.Lessor fixture works, makes the configuration, out dated.God knows I would be happy if fixture surfaces still just had to drain toward the fixture.but even that seems to allude code values.
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