Discuss Noisy pipes on cold main in the USA area at PlumbersForums.net

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I am perilously close to losing my mind - so any help appreciated!

About a month ago a vibrating sound started on our cold mains (copper pipes).

This noise will often go on for 12-24 hours, always a loud rumbling sound that you can feel in the pipes.

I am in a maisonette, and believe the cold mains splits in my downstairs neighbours property - but Southern Water have yet to confirm. Downstairs say they can't hear it, but they are a touch mutton and with current situation I don't feel like pushing too hard to go in and listen.

I've had a plumber out multiple times, we've clipped pipes, checked toilet cistern, old water tank in loft, changed tap to washing machine.

Southern Water initially said not their problem (quelle surprise) but I've managed to get them out and they'd said it's not in the street, but are now considering changing my meter and return valve.

I guess my only doubt on this is that it happens nearly exactly every three days, starts at approximately 10am, and stops as if my by magic at the same time the following day.

Turning the water main off in my property stops the noise, but I can't have water off for 24 hours at a time.

Happy to spend to sort the problems but don't want to spend a fortune and still be left with this noise!

I noticed a couple of people seem to have had similar issues but sadly haven't updated their posts with their resolution.

Has anyone got any other suggestions as to what I can check?
 
Does it happen after anything, eg hot water draw off, using a specific appliance? Do you have 1/4 turn taps? Is it specific to one particular area?
 
Does it happen after anything, eg hot water draw off, using a specific appliance? Do you have 1/4 turn taps? Is it specific to one particular area?

Nope, no water used when starts. I believe I have 1/4 turns. I'm in a maisonette, so very small area, sound is loudest in kitchen/bathroom (which are next to each other) but can be heard in bedroom where boiler is.

Thanks
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Update: today we have sailed past its normal stop time, straight in to day 2.:eek:
 
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