According to BobVila.com, a water hammer is type of hydraulic shock that occurs when the shut ... When a valve shuts off, these air-fill cylinders absorb the jolt resulting from sudden water ...

also called water hammer arresters. These are cushioning devices that absorb the energy caused by water movement. "It's like a shock absorber," Porzio says.

This takes care of absorbing the shock when the fast flowing water is suddenly shut off to stop water hammer. It is often located somewhere in the utility room or basement near the water heater.

Quiet Pipes is designed to help solve current and potential water hammer problems by absorbing the water shock in a plumbing system when a valve is closed abruptly. Water hammer is the persistent ...

Water-hammer controls act like small shock absorbers for a plumbing system and can quiet the noise as well.