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 hammer an emergency?

Water hammer isn't an emergency, but it is something to be concerned about in the sense that you want to have it addressed by a professional ASAP.

Should I worry about water hammer?

More than just produce an annoying clamor, water hammer can actually damage the pipe connections and joints, resulting in leaks and costly repairs. Or worse, the noise may also indicate a larger problem like excessive pressure in your water supply lines or loose piping.