To replace the stream of the water just you can turn the knob to change the pressure inside the hose.

Insufficient evacuation of water may be caused by low pressure inside the pipes which can only be fixed by a licensed plumbing expert If the pressure inside the pipes is too low the water’s stream may be too insufficient to use it. If you are not happy about the low pressure of the water in your handbasin or shower, a craftsman plumber can easily repair it. If the pressure inside a upvc pipe is too high and the plastic tube itself has cracks it may end up in a leakage.

Water may not be running caused by low pressure in the pipes which can be safely solved by a certified plumbing engineer

We offer to solve troubles with low pressure and high pressure in the pipes in less than 20 minutes. The boiler could be inoperable down to low pressure, therefore it is likely that it is a hint of something more serious like a leak in the system.