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pipe diameter

  1. Plumbing
    I live in an older house which has undergone lots of cobbled plumbing. The entry pipe to the house is 1/2" galvanized. Before going to the upstairs bathroom it changes to 3/4" pvc and then back to 1/2" copper. Because the Pvc is larger does this have any effect on water pressure. Should this be...
  2. Plumbing
    A couple of years ago a plumber spoon fed me while I put the waste side in my new construction. He held my hand on the supply side and signed off on our pressure test. Time passed and I finally got the floor and shower tiled. I got the (Moen) trim kit installed fine until I went to slip the...
  3. Plumbing
    i have installed a fountain submersible pump in my pond to use to water my garden / flowers. The discharge is 1 1/4 ". I want to reduce it to 1/2 " to connect to a water hose. Does it make any difference to resulting water pressure if i reduce in one stage or in several stages ?
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