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Loud banging in pipes may mean that it needs air added to cushion water after its shut off. (Metro Creative Graphics)

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Most likely you have a water hammer condition. A water hammer is a specific plumbing noise and not a generic clanking and clinking and pipe clatter sound. It occurs when you shut off the water suddenly and the fast-moving water rushing through the pipe is forced to stop or change direction, creating a sort of shock wave and a hammering noise.

By Sandy Griffis August 17, 2016