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Old 12-28-2017, 02:55 PM
 
3,528 posts, read 6,532,036 times
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My toilet is continuously making a dripping sound. Otherwise it works ok. It's apparently dripping water from the tank into the bowl. I can see the water arriving in the bowl. I've read pages saying the flapper or the area around it is leaking. Could it be anything besides that?

Also, about the hole under the toilet and in the floor: is that hole constantly open or does it open and close at different times? (I think it's called a wax ring.)

Last question: did toilets start using cup floats instead of ball floats because it takes less space?
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Old 12-28-2017, 03:53 PM
 
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It could be the valve itself doesn't close completely or the float is incorrectly adjusted and water topping the overflow.

Constantly open, except in some very weird basement and boat toilets.

More likely because the packaging of a complete unit was more compact. If you can fit 50,000 units in a shipping container instead of only 15,000 units your transport costs are minimized.
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Old 12-28-2017, 04:01 PM
 
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The overflow tube will drop water in the tank into the bowl. But I thought when you flush, the float will control how much water is replaced into the tank. Why do you need the overflow tube also?

Thanks for the answers.
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Old 12-28-2017, 05:55 PM
 
Location: Austin, TX
16,787 posts, read 49,073,910 times
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Quote:
Originally Posted by robertpasa View Post
The overflow tube will drop water in the tank into the bowl. But I thought when you flush, the float will control how much water is replaced into the tank. Why do you need the overflow tube also?

Thanks for the answers.
Because sometimes the float or valve sticks open and can overflow onto the floor if the overflow tube was not provided.
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Old 12-28-2017, 05:57 PM
 
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The overflow tube primary function is exactly what it says. If the shutoff valve fails water will not overflow the tank onto the floor, but go into the bowl and be disposed of without a flood of the bathroom. You can thank plumbers from a long time ago for figuring that idea out.
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Old 12-29-2017, 06:23 AM
 
Location: The Triad
34,090 posts, read 82,988,469 times
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Quote:
Originally Posted by robertpasa View Post
My toilet is continuously...
how old and how long since the rubber parts have been renewed?

Quote:
...is that hole constantly open or does it open and close at different times?
Always open ...which is why the toilet has the trap built in.
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Old 12-30-2017, 01:30 PM
 
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There are toilet diagrams where the refill tube is directly above the overflow tube. Why would it be like that?? The refill water would just go down into the bowl.

No one has ever worked on this toilet for the seven years I've lived here.
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Old 12-30-2017, 11:36 PM
 
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It refills the bowl water, while the rest of the water fills that tank. Without the bowl water being high enough to create a water trap, you get sewage gasses in the bathroom.
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Old 12-31-2017, 01:36 PM
 
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On my own toilet, the refill tube is not over the overflow tube at all.

When I flush, the water goes into the bowl through the big hole at the bottom of the tank.

I thought the water that fell into the overflow tube would all go into the bowl.
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Old 12-31-2017, 03:19 PM
 
23,601 posts, read 70,436,018 times
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It will, unless you attach it so it fills the tank instead. The level of the water in the bowl will vary after a flushing, depending on how much was flushed and the speed of the flush. The water going down the overflow "tops it up" in the bowl to prevent sewage gas escaping and to allow the next flush to be consistent with earlier ones.
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