Enough water pressure?

Discussion in 'Shower & Bathtub Forum & Blog' started by davidwie, Dec 15, 2009.

  1. davidwie

    davidwie New Member

    Jul 2, 2009
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    Don't confuse pressure and volume...a 1/2" shower valve can usually flow about 5-6gpm. So, what is the rating of the combined two showerheads? As you try to exceed the maximum volume, you start to lose pressure. Think a hose sitting without a nozzle, then try to decrease the flow by putting your finger over it. The supply pressure doesn't go up. In order to have the showerhead feel good, you need to be able to supply more water than it can dispense, or it's like you took your finger off the output of the hose.
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  4. davidwie

    davidwie New Member

    Jul 2, 2009
    Thanks for your response!
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