Hello All, My house is 5 years old and is plumbed with copper. It has developed this problem of a very loud humming noise any time we run a faucet or flush a toilet. I have gone into the crawl space and felt the copper pipes while this noise is going and felt a very strong vibration. The original plumbing included a cut off valve in the wall of the mud room. One plumber took this out , thinking it made too sharp a turn coming up into the wall and going right back down . The noise quit for a week or two then came back just as loud. We do have a pressure reduction valve(street pressure being over 100 lbs). Could this valve have gone bad? It’s not a banging noise but a very loud hum. No valve in the house causes it any more than any other. Anybody got any ideas? All input appreciated. Danny Gray
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OK, gotta say it before someone else does: The pipes hum because they don't know the words.
I would guess that the problem is the pressure reducing valve, but rather than replacing the valve it would probably work to just install a hammer arrestor or expansion tank directly adjacent to the valve (on the house side).
Or, for a quick fix, just adjust the valve ever so slightly one direction or the other. That might do it, at least temporarily.
DanH, You're a genius! I turned yhe adjusting screw about 1/4 turn and the pipes are quiet. It's been about a week now and nothing. How could you know this? Please explain. Thanks a million. Danny G.
Cause he IS a genius? <G>
Edited 9/10/2004 6:02 am ET by DAVERICHESON
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