Toilet refill valve questions

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Old 02-02-19, 03:29 PM
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Toilet refill valve questions

(Background - I have an American standard toilet that has always had a poor flushing action in that it often does not totally clean the bowl. It seems to help if you keep the flushing lever depressed until the bowl is totally empty. )

Refill tube questions:
1. What is the purpose of this refill tube? In my toilet most of the water that fills the tank seems to come directly out of the top of the fill valve and only a little comes out of the refill tube.

2. My refill tube had a little metal clip that directed the tube's water into the overflow tube. I assume this just goes into the bowl. If so, I am confused by the need to do this.

I am sure this tube has a useful function but stumped by its purpose.

Does it make any difference if the tube points into the overflow tube or just runs directly into the toilet tank?
 
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Old 02-02-19, 03:33 PM
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When a toilet flushes.... the bowl water level can be too low and requires refilling.
The overflow tube goes directly to the bowl.
That small tube fills the toilet bowl up to the established trap level.
 
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Old 02-02-19, 04:05 PM
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My refill tube had a little metal clip that directed the tube's water into the overflow tube. I assume this just goes into the bowl. If so, I am confused by the need to do this.
The metal clip serves to keep the end of the refill hose high enough to prevent siphoning. If the end of the hose is simply shoved into the tube, it may be low enough to allow water to siphon endlessly from the tank down the tube.
 
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Old 02-04-19, 02:18 PM
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Thanks to both of you for helping me understand the function.
 
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