The toilets I now (here in the Netherlands) have a hollow tube which is pulled up by lever to flush.
But when the water level rises to much, the water will go over the top of the tube and into toilet.
So you can not get an overflowing toilet.
The toilets I now (here in the Netherlands) have a hollow tube which is pulled up by lever to flush.
But when the water level rises to much, the water will go over the top of the tube and into toilet.
So you can not get an overflowing toilet.