How To Flush In An Aeroplane Toilet

Here Is What Happens When You Flush An Airplane Toilet

Have you ever wondered what happens when you flush the toilet in an aeroplane? Well I will explain for you.

The typical home toilet uses a bowl filled with water. When you flush, the toilet starts a siphon that drains bowl, gravity then carries the water into a septic tank or the sewer system.

But in an aeroplane, the airplane uses an active vacuum. When you flush, it opens a value in the sewer line and the vacuum in the line sucks the content of the bowl into a tank.

This is why you have to close the toilet in the airplane before you flush, the vacuum does all the work taking in little water 2 liters of water compared to 6-19liters normal toilet uses. Aside using very little water, vacuum toilet can flush in any direction and can be put anywhere in a building.

So when you use the toilet in the airplane for the first time read the instructions written inside the toilet.