Five ways to find water hammer in a stud wall.

In an earlier post we asked, “Do Hot and cold water pipes get water hammer?” Determining the location of loose pipes that cause water hammer in a stud wall can be challenging, as the pipes are typically hidden behind drywall or other wall coverings. However, there are several methods that can be used to locate the problem area:

  1. Sound: One of the most common ways to locate loose pipes is by listening for the sound of water hammer. This is the banging or knocking sound that occurs when a valve or faucet is quickly closed.
  2. Visual Inspection: If possible, removing a section of drywall or other wall covering in the area where the sound is heard can reveal the location of the pipes. You can also look for signs of water damage or staining on the wall or ceiling.
  3. Using a stud finder: A stud finder can be used to locate the studs behind the drywall, which will give you an idea of where the pipes are located.
  4. Tracer wire: If you have access to the attic or crawl space, you can trace the pipes with a tracer wire, which is a wire that is attached to the pipe and can be followed through the wall.
  5. Hiring a plumber: If you are unable to locate the problem area or are unsure about the best course of action, it is recommended to consult a plumber, who will have the knowledge and tools to locate the loose pipes and make necessary repairs.

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