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Author:
chowah (HI)
Hi, I'd like to ask for advice regarding slow running water. My faucet in all areas of the home runs fine. However, the water slows quite a bit once I have multiple faucets running at the same time. If 2 is on simultaneously, the water still runs fine, however once 3 or more is on, the 3rd one runs very slow. Could this be low water pressure? And would increasing the water pressure solve this problem? Thanks!
Update: thanks for the advice. The water pressure is at 60 psi. Each faucet that I turn on decreases the pressure by about 15-20 psi. So by the time I have 3 faucets running, the pressure drops to about 5 psi. Water source through copper, the house is new. It was initially 100 psi, but my house inspector recommended something lower so it was lowered to 60 I think.
Thanks!
Edited 2 times.
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Author:
KCRoto (MO)
The first step that you should take is to get an inexpensive water pressure gauge that attaches to a hose spigot, and check the water pressure in your house without anything on. That is your static pressure. See what the pressure drops to when 2 faucets are on just so you can see where you are at. Do you know if you have a pressure reducing valve installed?
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Author:
North Carolina Plumber (NC)
It's a volume issue, usually caused by a restriction in the piping. It could be a faulty valve, clogged filter, clogged screen in a reducing valve, or in the case of galvanized piping it could be the pipe itself. A brief description of your water supply source and piping material could help narrow down the cause.
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Author:
packy (MA)
i agree. if it were a pressure issue then (i would think) the water would slow down when one faucet is opened as there just wouldn't be enough umph behind it to create or maintain a good flow.
picture a big tank of water up high. there is a pipe coming from that tank into your house. in your house you have a bunch of faucets. you open one faucet and the water blasts out. you open many faucets and as long as the pipe is large enough the water will blast out. but if that pipe is too small or restricted you can not get enough water thru it wnen many faucets are opened.
if pressure were the only concern, the city/town would have 100 PSI coming thru 3/4 inch mains under the street.
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Author:
hj (AZ)
You have something restricting the pressure which causes a drop in volume. It can be caused by any of several possibilities, and would require testing to see if a simple adjustment could cure it or more extensive procedures are required.
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Author:
Wheelchair (IL)
Do your neighbors have the same issues or is it just local in your house? How old is your building and the plumbing system. Is your area flat or full of hills? Was the plumbing installed by a licensed plumber or someone just as good?
Best Wishes
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Author:
srloren (CA)
North Carolina Plumber gave you the best advice. Start there so assumptions can be eliminated.
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