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  1. #1
    Join Date
    Feb 2008
    Posts
    21

    Wink Copper vs CPVC vs Pex - which to use?

    I need to replace some plumbing line in the basement. It is currently galvanized from the main to copper in a few short places. Still galvanized to 2nd floor bathroom. I would like to replace all lines including to the kitchen sink. I will be leaving the vertical galvanized to the bathroom alone. Problems are low hot H2o to the kitchen sink and some rust in the bathroom. I did drain about 2 gallons out of the hot water tank and the rust color was slight even though the tank is fairly up there in age. I have no problem cutting out the existing copper. It is a crappy job anyways.

    Getting varied suggestions about what to use - copper, cpvc, or Pex ( I live in NY). What are your opinions? There is one tight spot to solder but most of it is pretty straight forward. Will join to an outside faucet also. I like the idea of the Pex for ease of installation etc., but am getting conflicting responses from guys. I know that there are issues in states ie: California re: it's usage, permeation and leakage (no chlorine involved here. Has anyone had problems with the Pex leaking,joints seperating, etc.? Would like to know what the "pros" here think before I "have at it".
    Mid-aged lady DIYer here so easy is best.

  2. #2
    Join Date
    Mar 2009
    Posts
    1,387

    Default Re: Copper vs CPVC vs Pex - which to use?

    Howdy. Consider pex but make sure none of it is exposed to sun light as the sun destroys pex in a short time. Here in OR the plumbers stub out with about a foot of copper at the neds that pertrude there walls and flooring so no sun exposure. Pex will withstand some freeze and thaw. It is most easily snaked as it bends. no sodering of the pes is a plys. its Cheap....

  3. #3
    Join Date
    Jul 2008
    Location
    San Francisco , Ca
    Posts
    43

    Default Re: Copper vs CPVC vs Pex - which to use?

    COPPER!!! stay away from the garden hose lol

  4. #4
    Join Date
    Aug 2007
    Posts
    7,195

    Default Re: Copper vs CPVC vs Pex - which to use?

    Quote Originally Posted by djrenek1 View Post
    COPPER!!! stay away from the garden hose lol
    I couldn't agree more!
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

  5. #5
    Join Date
    Feb 2008
    Posts
    21

    Default Re: Copper vs CPVC vs Pex - which to use?

    Thanks to all responses. Some guys really like te garden hose(hmmm)but I gag on the fact that it can not be recycled and emits toxins when burned. Did I hear correctly that it emits dioxin when burned? Worst toxic chemical known. Anyway, going to go with the copper. I'm not sure all buyers are ready to see the pex and think they are getting hosed.

  6. #6
    Join Date
    Aug 2007
    Posts
    7,195

    Default Re: Copper vs CPVC vs Pex - which to use?

    Pex is plastic, so yes, it's going to release toxic chemicals when burned. I'm also of the opinion that it releases its toxins to the water passing through it, even though it's been "cross linked" molecularly to prevent such things.
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

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