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

Water may not be running owing to low pressure in the pipes which can be safely solved by a experienced plumbing technician If the pressure inside a upvc pipe is too high and the iron pipe itself has cracks it may end up in a leakage. We offer to solve issues with low pressure and high pressure in the pipes in less than 20 minutes. Weak evacuation of water may be caused by low pressure inside the pipes which can only be fixed by a licensed qualified plumbing technician

The boiler may be acting up thanks to low pressure, hence it is reasonable that it is an indication of something more serious like a leak in the system.

If you are not happy about the low pressure of the water in your sink or shower, a skilled plumbing specialist can easily service it. If the pressure inside the pipes is too low the water’s stream may be too weak to use it.