There's a water tank.
If there's a water tank, think of the piping as divided into before and after the tank. Let's determine whether water is leaking from the section before or after the tank by closing the valve that supplies water to the tank.
If there's a water tank, think of the piping as divided into before and after the tank. Let's determine whether water is leaking from the section before or after the tank by closing the valve that supplies water to the tank.