Eli5: Why are most public toilets plumbed directly to the water supply but home toilets have the tank?

Question

Eli5: Why are most public toilets plumbed directly to the water supply but home toilets have the tank?

In: 4741

Answer 1

In Germany more toilets are directly on the mains supply, especially in buildings from the 50s to 70s. But the water tank toilets can save water, as the direct flush toilets push out too much water very fast. Nowadays modern public toilets also use the tank system and have a split button on them, the smaller for pee and the larger for solids.