boiler banging rumbling overflow

  1. D

    Loud banging noise Vaillant

    I have same problem that has been posted on this youtube video: If the boiler has the heating running and you turn on hot water anywhere in the house you can hear this sound. If the heating is off and you turn on hot water, no sound. I also had regular service in November, so 3, 3.5 months...
  2. mentalhibby

    New Boiler

    Hello all. We have just had our old boiler changed to a new shiny Worcester Bosch. Open vented system. First day following installation the following occurred: rumbling and banging in pipes and hot water spluttering out expansion pipe in header tank. Obviously tank overflowed and exited all over...
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