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copper vs pex shower head supply

Bathroom Repair Tutor – Revised 120922 › Forums › Plumbing › copper vs pex shower head supply

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    • June 15, 2018 at 1:11 pm #3174
      DougKearney
      Participant

      I’ve put pex as shower head supply from the shower/tub valve. But now I’m wondering if there would be a noticeable reduction in water pressure over copper because of the differences in inner diameter. What do you think?

       

    • June 16, 2018 at 6:36 am #3175
      Steve White
      Spectator

      Hey Doug

      I install shower supplies with pex all the time and have never seen a  difference in pressure. Thats probably because most shower heads are restricted to at least 2.5 gallons of water per minute. 1/2″ pex would most likely be pumping out 7-8 gallons per minute unrestriced

      IF you plan to add multiple body sprays, that might be an area where you want to bump up to 3/4″ pex so that the fittings are 1/2″,  or go copper all the way around

      Hope this helps

      steve

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