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  1. N

    howlng noise from pipes/boiler

    more info.....if i turn the temp down on the boiler to about half from max the noise goes away..
  2. N

    howlng noise from pipes/boiler

    for a while about six months. the noise has been getting slowly louder over that time
  3. N

    howlng noise from pipes/boiler

    I have a potterton suprima 30-80 style boiler. My problem is this: Once the CH has clicked off a howling starts and the sound can be heard though the pipework between the boiler and the boilermate. It last for about 45 secs and is sounds like a valve in the boiler is closing or switching flow...
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