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Old 06-05-2010, 06:27 PM   #16
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Originally Posted by Yoyizit View Post
See if partially closing your main water valve changes the symptom. I'm thinking a loose washer. Smaller washers should vibrate at a higher freq..
I almost thought i should insult you,but thats not my style.Closing the nain valve will slow the flow and volume.pressure and flow resistance are 2 seperate issues.plumbing,...especially water distribution is something cheap builders/remodelers can hide.me thinks that prv has broken in and no longer is making the harmonic(think tuning fork) humm that traveled up the instrument(1/2" undersized branch lines).glad the OP is cool and happy.


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Old 02-26-2013, 04:03 PM   #17
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OK! I discovered what the problem was!!!!!You might want to keep this for future humming problems!!! I bought a new pressure reducing valve. The one end has a union and the other end is female. On the NEW valve, the union has an O-Ring in a channel. My old one did not! I don't know if it didn't come with one or if it fell out when I removed it from the box. But the union was basically metal against metal creating the musical instrument throughout my house!!!! Not I can flush toilets and run water with........SILENCE!!!!
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Old 02-26-2013, 06:01 PM   #18
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Glad to hear after 1.5 years the answer has arrived!
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Old 02-26-2013, 06:24 PM   #19
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Huey Lois wrote a song about this. I think it was called "I need a new drug"


" Most people would rather die than think, and most do " Bertrand Russell

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