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  • I've got a bit of a peculiar plumbing situation, and I wonder if anyone here has come across something similar (and hopefully, solved it)

    Our cold water pipes make a fairly horrifying shrieking sound. I don't think it did it when we first moved in, and it does vary a bit. It seems to only be triggered by stuff that's further away from the stopcock, in the bathroom upstairs. Kitchen sink doesn't make it happen, nor washing machine.

    Flushing the toilet, running the cold sink tap etc makes a super load noise UNLESS the shower has been running for a while. Brushing teeth after a shower, no shrieking. Running the tap etc also makes the shower head drip quite a lot, I'm pretty sure that's been getting worse too.

    I can only think that it must be in some way pressure-related. I thought for a while that the stopcock was not opened up enough, I had to shut it off to fit the washing machine and then it did give the warning for 'not getting enough water', so opened it up more. Then some more as an experiment re the noise. Eventually the stopcock started to drip a tiny bit so I tightened it up again, no discernable change in the noise.

    Probably going to get a new stopcock and have all that area of pipework sorted out as part of the new kitchen, but ahead of having a plumber spend hours diagnosing, is there anything I should try?

  • Often happens when the stopcock in a water tank is close to closing, it starts to vibrate and causes all sorts of vibration. Replacing the washer is an option, replacing the whole stopcock is usually not that expensive if you're diying it.

  • Cool, thanks. It took a lot of gt85 and effort to get it to close enough so I could connect up the washing machine so it’s probably on the way out. There’s about 5 other tap handles under there for various feeds, it’s like a brain teaser

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