Point of hose in toilet?

fleabag

Banned
Oct 1, 2007
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image264.jpg

What is the point of this hose? By default, the hose just drains into that pipe and I've been told that it's suppose to clean the bowl or some nonsense but isn't that what happens when you open the flapper? I've had the hose just drain into the tank itself instead of down that pipe and I haven't noticed anything different except the fact that the toilet tank fills up a lot quicker than before. The only thing I can think of as to why they have that hose is to add more water to the sewage line so that it doesn't get stopped up or something.
 

Ika

Lifer
Mar 22, 2006
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Have you even watched a toilet flush? I've known what that hose does since I was 12.
 

Leros

Lifer
Jul 11, 2004
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The flapper drains the bowl. The bowl would be empty if it weren't for the hose in the pipe refilling the bowl.

Your knowledge of toilets is about as good as your knowledge of automobiles.
 

fleabag

Banned
Oct 1, 2007
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The flapper drains the bowl. The bowl would be empty if it weren't for the hose in the pipe refilling the bowl.

Your knowledge of toilets is about as good as your knowledge of automobiles.
Yeah that's the theory but then why is it that the bowl isn't empty when I flush despite having the hose not drain into the pipe but into the tank?
 

SSSnail

Lifer
Nov 29, 2006
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The more important question is, does that hose fill the reservoir to its max capacity?
 

waffleironhead

Diamond Member
Aug 10, 2005
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Yeah that's the theory but then why is it that the bowl isn't empty when I flush despite having the hose not drain into the pipe but into the tank?

Because not all of the water from the tank goes down the drain when you flush.
 

waffleironhead

Diamond Member
Aug 10, 2005
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The more important question is, does that hose fill the reservoir to its max capacity?

Well you can adjust the float to the top of the drain tube. Then you would be flushing at max capacity.
WHHHHHOOOOOOOOOOOOOOOOOOOOSH!
 

fleabag

Banned
Oct 1, 2007
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It's there in case you want to buy the optional bidet attachment.
Sadly, I'd believe it considering that it looks to be entirely pointless.

I mean look here:
The Flush Mechanism

The purpose of the tank is to act like the bucket of water described in the previous section. You have to get enough water into the bowl fast enough to activate the siphon. If you tried to do that using a normal house water pipe, water would not come in fast enough -- the siphon would never start. So the tank acts as a capacitor. It holds several gallons of water, which it takes perhaps 30 to 60 seconds to accumulate. When you flush, all of the water in the tank is dumped into the bowl in about three seconds -- the equivalent of pouring in a bucket of water.

There is a chain attached to the handle on the side of the tank. When you push on the handle, it pulls the chain, which is connected to the flush valve. The chain lifts the flush valve, which then floats out of the way, revealing a 2- to 3-inch (5.08- to 7.62-cm) diameter drain hole. Uncovering this hole allows the water to enter the bowl. In most toilets, the bowl has been molded so that the water enters the rim, and some of it drains out through holes in the rim. A good portion of the water flows down to a larger hole at the bottom of the bowl. This hole is known as the siphon jet. It releases most of the water directly into the siphon tube. Because all of the water in the bowl enters the tank in about three seconds, it is enough to fill and activate the siphon effect, and all of the water and waste in the bowl is sucked out.

So if opening the flush valve not only empties the bowl but fills the bowl with water as well, what could possibly be the use of that hose then?
 

iGas

Diamond Member
Feb 7, 2009
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Hose in over flow pipe to make sure the toilet bow (trap) is full to prevent sewer gas from entering your home.
 

IronWing

No Lifer
Jul 20, 2001
71,843
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So if opening the flush valve not only empties the bowl but fills the bowl with water as well, what could possibly be the use of that hose then?

You have it backwards. First the flush valve fills the bowl, then the bowl is emptied via the siphon effect. By the time the siphon is complete. the bowl is empty except for the bit of water left when suction is broken.