humming in water pipes when turned on

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01-18-01, 10:53 AM

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help me humming or ringing pipes!

pipes are pvc and they make a humming or ringing noise when you turn on the shower and dishwasher! can someone help me !

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01-23-01, 10:12 AM

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Re: help me humming or ringing pipes! please i need help with pipes

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Originally posted by lechia oliver
pipes are pvc and they make a humming or ringing noise when you turn on the shower and dishwasher! can someone help me !

please can someone help me!

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01-23-01, 10:26 AM

arkayassoc

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Does the humming only happen when the shower and dishwasher are operating at the same time? Or does independent operation of either cause the humming?

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01-23-01, 11:33 AM

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it happens when turned on at different times ! it does when its the hot water is running in the shower or dishwasher!

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01-23-01, 12:04 PM

Plumber2000

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Get a water pressure gauge and test your pressure, this one attaches to a hose bibb outside. if it reads 80lbs of higher then you need a pressure reducing valve With high water pressure, when water can move fast in the water pipes, it creates friction, in-turn makes sounds, this is increased noise when hot water is in use, then when the gets to the valve, i.e. shower, dishwasher, and it flows though the smaller passage ways of the valve, makes increased louder noises.

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01-23-01, 12:18 PM

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Thank you very much !

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