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 Whistling Noise
Author: psucl99 (NC)

When I turn on any faucets in my house, a loud whistling sound can be heard especially near the main water shut-off valve. I tried turning the shut-off valve a half turn and sometimes the whistling will go away but then the sound will return the next day. Anyone have this same issue and was able to permanently rid of this noise? Please help, thanks!

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 Re: Whistling Noise
Author: hj (AZ)

Usually a bad, or reversed, pressure regulating valve or a defective water softener.

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