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Typically right under the faucet in a bathtub is a round metal piece with holes. This is an overflow outlet. It connects to the bathtub drain. If water rises over that disk, it will go through the overflow...so your tub does not fill completely and overflow the edge of the tub. The overflow prevents accidental flooding of the bathroom.

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9y ago
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8y ago

The overflow is a round chrome ring concealing a pipe near the top of the tub. This joins directly to the tub drain so it can not overfill.

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Q: What is an overflow in a bathtub?
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Related questions

Where does a waste and overflow set go?

Its your bathtub drain.


How do you spell overflow?

You spelled it correctly, but in case you need it again: Overflow In a sentence: I overflowed my bathtub. Hope this helps! :)


What is a porcelator?

A Porecelator is the American equivalent of an overflow outlet on a bathtub or sink.


The correct measurement of the water in the bathtub?

As long as it's below the overflow, it's 'correct' .


How does a bathtub overflow work?

A quick way would be to drop into a plumbing supply store. They often have tubs on display with the overflow drain hooked up. You will be able to see where the overflow water goes down the drain. Des Perado


What does operating capacity for a bathtub mean?

It is the volume of water that the tub can hold until the water reaches the overflow hole.


How do you find the center mark for a bathtub?

Do you have the tub where you can measure it? If so, measure from the back of the tub to the center of the overflow, that will give you the measurement for the drain.


Does a slow drain in bathtub have anything to do with overflow to cause ceiling damage?

NO -- you will have to open up wall behind tub to see where it is leaking from.


How many cups of un cooked popcorn does it take to fill a normal sized bath tub?

672 cupsA standard bathtub holds 42 gallons when it is filled up to the overflow.16 cups = gallon672 cups = 42 gallons = one standard bathtub


Does a cover plate over the overflow pipe opening sealed with caulking in a typical bathtub defeat the purpose of the overflow pipe?

The cover plate should have a gap on the bottom edge to let water in. If this is filled in with caulk, then Yes, it is useless and should be opened up.


Will a PVC fast tap saddle work for adding a vent line to a bathtub drain after construction is done?

There is an overflow pipe on every tub. There is no further need to vent.


What is patent 51223123 for?

United States Patent #51223123 does not exist. The highest US patent number as of 05-28-2010 is 7,725,947.