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does size matter?

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  • does size matter?

    Hey guys!

    Say I have a 10' run of 3/4" copper... then a reducer to go down to 1/2" for 10' and finally another run of 10' at 3/4" does it mean that the effective flow is the one equivalent to the smallest size pipe?

    To all the people who have asnwered my questions in the past... ur just a fantastic bunch!

  • #2
    Re: does size matter?

    Yes, that run is considered 1/2"
    Buy cheap, buy twice.

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    • #3
      Re: does size matter?

      I agree with gear junkie. Now the question is, why was it done like that?

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      • #4
        Re: does size matter?

        why was it done like that? old house!! street (unknown size) to main (1") then 3/4" then 1/2" then 3/4 again to finally the faucets in 1/2" i guess i'll have to replace the 1/2" runners!

        which brings me to pex... when you look at pex 1/2 or 3/4... it is the effective OUTSIDE size... not the inside so when you connect pex to copper 3/4... it is in fact reducing it! so why you pex apart tha tit's faster to install?

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        • #5
          Re: does size matter?

          Originally posted by latexia707 View Post
          why was it done like that? old house!! street (unknown size) to main (1") then 3/4" then 1/2" then 3/4 again to finally the faucets in 1/2" i guess i'll have to replace the 1/2" runners!

          which brings me to pex... when you look at pex 1/2 or 3/4... it is the effective OUTSIDE size... not the inside so when you connect pex to copper 3/4... it is in fact reducing it! so why you pex apart tha tit's faster to install?
          I feel so educated about PEX now. Except for the broken cajun typing.

          J.C.

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