Compression fittings for PEX

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by jadnashua, Nov 18, 2004.

  1. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,313
    Location:
    New England
    Compression shutoff on pex. Brasscraft makes a compression fitted shutoff valve for pex, but I've not found them at a couple of places I looked. I had the rough-in done, but I've only to add the shutoffs. I'd rather not call the plumber back in to just add the shutoffs now that the drywall is up. The connection uses a stainless steel insert in the tubing, and the normal ferrele and nut on the shutoff. It appears that the compression shutoffs at the big box stores from Brass Craft would work if I could locate the ferreles. Course, if I can find them, I can probably buy the shutoffs with them in it. Those that they package for pex are limited in style. They do sell the ferreles separately, which lead me to think that it might just work fine with other compression fittings with the use of the ferrele. Is this a correct assumption? Do any of the tool rental stores rent the expander tool? What do they cost? It may be cheaper to just buy the tool than the cost of a plumber around here. Then I could use the ones with the barbs designed for PEX.
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,247
    Location:
    Cave Creek, Arizona
    valves

    You do not put the valves on the stubs until the cabinets are in place, unless you want to cut a large hole in the cabinet back so the valves can pass through it.
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,313
    Location:
    New England
    I'm aware of that, just trying to work out the mechanics of attaching a stop to PEX. Figure it would cost probably over $100 plus materials to have the guy come back and install the valves. My labor is cheap! but having trouble finding the right parts as pex is not normally a do-it-yourself task, most stores don't carry the stuff. The plumbing supply places I've looked only carry the barbed stops - they weren't aware that they make compression versions. They show several in the BrassCraft catalog. What they don't say, and I still don't know for sure, is if any compression valve would work if you used the separately available ferrele. The stuff does seem to fit together, but without the ferrele, I can't test it. One more place to look today.
  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,313
    Location:
    New England
    I found some valves at a distributor...none of the plumbing supply houses around other than the distributor had any.
Similar Threads: Compression fittings
Forum Title Date
Plumbing Forum, Professional & DIY Advice Compression fittings and brass pipe Feb 22, 2014
Plumbing Forum, Professional & DIY Advice What makes compression fittings leak? Oct 6, 2013
Plumbing Forum, Professional & DIY Advice Can Compression Ring Be Used With 'Speedi Adapter' Fittings? Aug 14, 2013
Plumbing Forum, Professional & DIY Advice Faucet was loose and moved a bit...Are my compression fittings OK? Aug 24, 2012
Plumbing Forum, Professional & DIY Advice Can Teflon tape (PTFE) cause leaks on compression fittings? Feb 27, 2012

Share This Page