Water through pipes noisy when slowed

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  #1  
Old 05-20-03, 04:09 PM
SometimesFixIt
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Water through pipes noisy when slowed

I recently replaced all my toilet fill valves to eliminate the "thunk" that occurs when a tank has completely filled and the valve closes. This worked well for all but one toilet that still has a bit of a thunk. The thunk can be eliminated if I close the wall valve somewhat thus reducing the flow of water, but the side effect is a significant increase in noise from the flowing water. The noise seems to eminate from the brass tubing that connects the wall valve and toilet.

I'd appreciate suggestions on how to cure this problem. Thanks in advance.
 
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Old 05-20-03, 05:03 PM
notuboo's Avatar
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Probably a loose washer on the shut off valve to the toilet in question. It vibrates as water flows by making the noise. Change flow rate, noise changes also.

Replace stop valve with 1/4 turn stop valve and see if noise disappears.

Hope this helps and more questions, ask and someone will help you out...
 
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Old 05-20-03, 06:27 PM
SometimesFixIt
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Is the washer something that I can replace by pulling off the top of the valve (shutting off water in house first) to get at it, or do I need to really replace the valve itself? It looks like the valve screws into a fitting that's soldered onto the end of the pipe extruding from the wall. I don't like doing plumbing because I worry about breaking solder joints, etc. and a mistake can be pretty messy.

Thanks for your reply.
 
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Old 05-20-03, 06:45 PM
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Cool

Hold a backup wrench on the pipe fitting, and unscrew the cap off the valve stem to get to the washer.
The washer will be on the opposite end of the valve stem from the handle, held on by a retaining screw.
Easy (with the water off).
Good Luck!
Mike
 
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