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    Ron Smith's Avatar
    Ron Smith Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 10, 2007, 07:02 AM
    Plastic copper connections
    I have a copper plumbing system and want to join copper to cpvc what are my options?
    Are there addapters for 1/2 inch copper pipe to cpvc?
    ac101's Avatar
    ac101 Posts: 463, Reputation: 57
    Full Member
    		  
    #2

    Dec 10, 2007, 07:05 AM
    Where are the pipes located that you wish to join (attic,crawl space,etc.)
    Ron Smith's Avatar
    Ron Smith Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Dec 10, 2007, 07:28 AM
    Quote Originally Posted by ac101
    where are the pipes located that you wish to join (attic,crawl space,etc.)
    Shower wall, I have just bought new system and was thinking the fittings would be the same being from Moen same as the old, but things change, and now I think the best way is to rip out the wall and just do the job right. There is just too much copper to pvc so if I leave line in, copper and just do the out lines in cpvc will that be OK?
    And thanks for your speedy response. Ron
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    Dec 10, 2007, 09:00 AM
    Both CPVC and copper have threaded male/female adapters. You need to solder the female adapter to the copper and glue/weld the male to the CPVC. Make sure you use purple primer on the CPVC and flux on the copper with lead free solder.
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
    Uber Member
    		  
    #5

    Dec 10, 2007, 10:58 AM
    If you are unsure about soldering, look at the Shark Bite fittings. See plumbing supplies, Ace hardware, and I just saw them at Home Depot or Lowe's. Just make a neat cut and slide the fitting over the pipe. Works on copper or anything the same diameter. Pricey.
    biggsie's Avatar
    biggsie Posts: 1,267, Reputation: 125
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    #6

    Dec 10, 2007, 11:50 AM
    I worked as an instrument fitter during construction of a power plant

    I have also worked as a mechanic in an industrial plant

    There are many ways to join copper to pvc -- my answer is a union

    Put a male adapter on the copper tube --- put a male adapter on pvc

    Use the union to join them -- Unions are a plumbers friend

    It will make any repairs easier -- Separate union --do work --connect again
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