Low water pressure


Old 10-03-00, 10:44 PM
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Water Dept says I have 65psi at street. I have 14psi at water main, just upstream from cutoff valve, in house(deadhead pressure). My home is 30 feet above the meter. Possable Pressure Reducing Valve? I looked, but it's not burried by the meter, or between shutoff valve and 1st branch off the run in my house. Qustion: Where else might I look for the PRV. Does my house have to have one?(built in 1978). With olny 14psi(deadhead) off water main entering the house, is it even possable for this to be a restriction in the main? With faucets turned on, pressure drops to a measely 4psi! Any thoughts would be appriciated.
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Old 10-04-00, 12:31 AM
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Sounds like you may have galvanized supply pipes that need to be replaced, if you don't have a bad PRV. Good Luck!
Old 10-04-00, 04:53 AM
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Old guy is probably right, It sounds like old galvanized piping, also dont overlook that it could be in the water meter itself, I would have this checked before replacing the waterline to the house.
I doubt that you will find a prv on the system since the city has 65lb presssure at the main, there would be no reason to reduce pressure on a house unless its over 80lbs.
best of luck
plumber john

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