What causes some toilet bowls to have a nearly explosive flush while others are much more “peaceful”?

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What causes some toilet bowls to have a nearly explosive flush while others are much more “peaceful”?

In: Engineering

Depends on the mechanism, but the simpler/traditional methods just have the water fall from the tank to the bowl. Many newer ones (especially meant for commercial) have a pressurized tank, that is the tank is actually a balloon and the water is pushed into the tank at line pressure (usually 40psi or so), when you flush it can then release the water at line pressure (40psi) which forces it though the toilet.

Commercial public restroom types (without a tank), skip the tank entirely and just connect the water line straight to the toilet which has the same effect (but requires a very large water line to supply the flow rates).

Tankless toilets flush by using water pressure from the pipes to fill the bowl so it drains. Some toilets with tanks will also use a little bit of water pressure to assist in the flushing. These two toilets will usually have a more ‘aggressive’ flush due to the water pressure.

Your standard poop stealing water chair will usually have a slow flush, as it’s only using stored water in the tank to create a flush.