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Propress valves

[Deleted User][Deleted User] Member Posts: 139
Looking at using press fittings to install a ball valve, 3 inch IPS with press male adapters. Will the press fittings leak when using the valve?

Can the press fittings be used on copper that has been cleaned up that had solder on it?

Any insight on using press fittings, Nibco or Viega? Would like to use them in installing ball valves in a drop ceiling, not wanting to light up the torch.


Don in MO


  • Paul PolletsPaul Pollets Member Posts: 2,954
    PP BV

    as long as you prep the male adapters properly, and the ends of the copper, it won't leak. Read the manufacturers guide for the pro press fittings. You can also buy 3" PP ball valves. They cost more, but will save a step.
  • [Deleted User][Deleted User] Member Posts: 139

    Worried about stress of closing and opening valves on press fittings. Nibco supplier did not have ball valves over 2 inch and needing 2 1/2 & 3 inch valves.

    Thanks for the reply!

    Don in MO
  • pipekingpipeking Member Posts: 252
    pro press

    is the best invention for large fittings. use a 3 pp ball valve, don't use adpt. unless u r using the adpt. to take up the difference so u don't have to buy a piece of 3" copper and coupling. the best way to clean off the solder is to heat it up then wipe it with FIBERGLASS INSULATION not a rag, trust me. u will be able to wipe it so smooth u won't even need to sand it after, but i do recommend sanding it. good luck
  • [Deleted User][Deleted User] Member Posts: 139
    Thank You

    Paul and pipeking, especially the Fiberglas trick! Had heard about it before but forgotten it.

    Don in MO
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