Recent content by Mark_Hooker

  1. M

    Loud vibration from unvented hot water tank.

    Thank you for the advice. Due to the height of the pressure vessel installation it was not possible for me to check the pressure without it being removed. The installing plumber came back and removed it. The pressure was checked and found to be correct. Plumber took technical advice from the...
  2. M

    Loud vibration from unvented hot water tank.

    Thank you for your response. There is about a 2 inch clearance at the top where I can feel a plastic cap. I take it this will unscrew? I have an electric pump for the car with a right angled connector which will hopefully fit. It can also be set to cut off at the desired pressure. Is it...
  3. M

    Loud vibration from unvented hot water tank.

    Thank you. I attach a picture. It is the white expansion vessel through which i can feel vibration. I cannot be certain that this is the source of the sound. The tank and both red and white expansion vessels were replaced in July 2019. The previous tank had the vessel built in which had...
  4. M

    Loud vibration from unvented hot water tank.

    Hi. Over the past couple of months the hot water system in my house has started making an incredibly loud reverberation when a hot water tap is opened. I would liken it to the sound of a ruler being twanged on a desk. It is very loud and fades to silence over a period of about 3 or 4 seconds...
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