Plumbing the Hard Way - Threading on Exisiting Risers

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by chefwong, May 20, 2013.

  1. chefwong

    chefwong New Member

    Messages:
    710
    Location:
    District of Columbia
    Am I asking for a whole heap of trouble making threads on existing risers.
    I've always done threading on pipe on a tripod, fully secured and fixed.

    I'm in the planning stages, and what I am thinking is that once I have the walls open, I would cut the risers (brass risers) at the appropriate height where I plan to establish the shutoffs, secure the pipe.....and just tap the threads in it's current place (assuming there is clearance between the H/C risers) to accomplish this. Too risky or possibly making something downstream leak ?

    Option B would just to establish wherever there is a T in the existing run, cap off one End, put a shutoff there and start the routing of the feeds from there.
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,245
    Location:
    Cave Creek, Arizona
    Either way will work, although finding a thread to start from will be a lot less work.
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