PVC for main line

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by teal854t, Apr 5, 2006.

  1. teal854t

    teal854t New Member

    Apr 5, 2006
    I'm redoing my pipe main line from meter to the house. I like to know if I can use PVC sch 40 or sch 80 for it? How deep do I need to dig? It's about 20 feet long with 1" pipe. I'm in S. California, Los Angeles.
  2. Cass

    Cass Plumber

    Nov 12, 2005
    For a 20' run I would use K copper reguardles of where you live. Your local codes will dictate the depth.
    Last edited: Apr 5, 2006
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    In most areas you have to use at least a 5' piece of copper at the building and at the water meter, so it makes absolutely no sense to use PVC for the small intermediate section. Besides taking more time to make the connections, the male PVC thread into a female copper fitting will frequently crack due to settling or other stress. I never use PVC for anything less than 100' since up to that length I can use a single piece of copper.
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