Water hammer occurs when water flowing through the pipes is suddenly forced to stop or change direction. ... And the shock wave can damage pipes and fittings, potentially leading to a plumbing leak. This creates a major mess and the potential for mold, mildew, and lengthy renovations.

Why is water hammer dangerous?

Water hammer is potentially dangerous and could hurt your plumbing system. Referred to in technical circles as hydraulic shock, water hammer is the result of water stopping or changing direction very quickly. ... Water hammer can lead to serious plumbing problems if left unaddressed.

Is water hammering dangerous?

The Big Bang that you hear from your steam system can be very dangerous, even deadly, especially if its caused by water hammer. Water hammer is defined as “the unexpected release and associated shock wave of high-pressure steam/condensate”. It can cause death, severe injury, or extensive property damage.