

Over time this can lead to disastrous burst pipes and water leaks! So, this sudden stoppage causes a hydraulic shock that makes your pipes bang against other fixtures. And in this case, they absorb shock less from changes in the water pressure as you (or other appliances) rapidly open and shut off water supply flowing through the pipes.įor example, washers automatically control water flow from fully on to off within seconds. It is normal for old pipes to get worn out at some point. So, if you live in an old house, you may think that it’s strange why there are banging noises inside your walls after you stop showering or using a washer. A series of loud bangs also occurs when there is an increase in water pressure in your water line. Water hammer is a hydraulic shock that typically occurs in old pipes after a valve is shut off suddenly.
