0

We learned here:

...that the fill valve sends water directly into the overflow drain...and that fills the bowl.

However, how does the tank (directly or indirectly) get filled?

2

In that particular type of fill valve, the water comes out of the two areas highlighted in yellow in the picture:

  1. The fill tube clipped to the overflow tube.
  2. The bottom of the vertical tube that the fill valve sits on.

enter image description here

3

By the valve operated by the float.

As the water rises in the tank the float floats and at a certain height that closes the valve which stops filling the tank as it is ready for the next flush.

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