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  1. C

    reducing supply pipe size

    Hello. I am planning to install a PRV for the whole house. The copper pipe after the meter is 1". I want to use 3/4" PRV, because of the availability and price. If I do this, am I creating some sort of choke point in the system? There is no plumbing that needs 1" supply, except maybe the...
  2. C

    house water pressure reducing

    Thank you very much. I can't use those hammer dampers because of the way the shut off valves are located under the vanity. I will use the PRV. Please answer couple more questions? Should I use the older (I think) PRV that has clean out plug on the bottom or the newer kinds that has the...
  3. C

    Sump Pump, Utility Sink, Washer, help!

    I am not a plumber, so this is just a guess. Since the mystery pipe is connected to the sewer, why not cap it with rubber cap or a plug and see what happens? It may have worked as a vent? Washing machine needs the trap, although my mother's washing machine also does not have a trap, just a...
  4. C

    house water pressure reducing

    Hello. My house water pipes bang, and I thought restricting the flow with ball valve might solve it. But does restricting the flow reduce the pressure? That is, does the bang come from flow of water getting shut off or from the pressure of the water? Do they mean the same thing?lol. I...
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