Water hammer

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    • #273445
      MasterPlumbers
      Keymaster

      Hello, At our business the water company had to replace part of a 8″ water main outside our building, as it was leaking underground.
      Since then, anytime any water is used anywhere in the building, there starts a rapid whooshing sound that slows down to about one whoosh per second. This is audible throughout the building. The water company said there was air in the lines, but offered no advice. Is this a job for a plumber or the water company?

    • #287697

      The leak underground was a solution to the air noise; but not an economical one. The leak permitted air to leave the pipe. During the leak repair, the water was turned off and the pipe drained. After the repair, it is likely that some air was trapped in that section to make noise; it probably will be absorbed in the water over some time and the noise may disappear. It would be very expensive to excavate again to install a little air relief pipe. Perhaps time will solve the problem.

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