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Posted by on October 14, 2009, 10:15 am
On Wed, 14 Oct 2009 07:05:03 -0700 (PDT), DerbyDad03
>> wrote:
>> >I was taking a shower, when the water started a chattering noise, and the
>> >spray was a pulsed spray. This came on when the Moen twist dial was in the
>> >same position for about two minutes. I changed the dial, then returned it
>> >to the original temperature position, and it did it again. A little
>> >adjustment of the dial makes it go away, but it returns. What's this?
>> >Steve
>> The flow of water is the same Hz (or multiple of) the natural
>> frequency of the piping. Try slightly decreasing (or increasing) the
>> flow rate through the pipes to stop the noise.
>I hope you are suggesting this method as a "test" not as a "fix".
>Since chattering pipes is not a normal occurrence, the OP shouldn't
>have to set a faucet to a specific flow rate to get it to work
>properly.
>Patient: "Hey Doc, it hurts when I do this."
>Doc: "Don't do that."
>Find the root cause and fix it, don't just treat the symptom.
A Water pressure regulator valve is what is called for here. It will
reduce the pressure (the actual problem) without restricting the
volume of water.
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>spray was a pulsed spray. This came on when the Moen twist dial was in the
>same position for about two minutes. I changed the dial, then returned it
>to the original temperature position, and it did it again. A little
>adjustment of the dial makes it go away, but it returns. What's this?
>Steve