threaded fittings

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by oops, Jun 27, 2005.

  1. oops

    oops New Member

    Jun 27, 2005
    Hello '
    Here's a problem thats been vexing us for a couple years.installed new pressure tank threaded fittings become loose after awhile how can this happen?
  2. Dunbar Plumbing

    Dunbar Plumbing Master Plumber

    Apr 18, 2005
    Service Plumber, Outdoor Temperature Relief Owner
    Northern Kentucky/Greater Cincinnati Area
    Vibration is most likely the reason. What type of fittings? Material?
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  4. captwally

    captwally New Member

    Apr 30, 2005
    Apartment Complex Maintenance, Professional Chef
    Yes, sounds like vibration, and as rugged asked, what materials are involved? Most likely the pressure tank is steel with a female threaded fitting to connect to the plumbing system.

    This time when you re-plumb the tank, make sure all fittings and threads are dry, use a quality pipe thread compound and allow it to fully cure prior to pressurizing the system.
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