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Combi boiler making a 'clicking' sound?

Discussion in 'Plumbing and Central Heating' started by ellie77, 15 May 2013.

  1. ellie77

    ellie77

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    I got a new combi boiler a few months ago. we had a few teething problems with vibrating Trv's but it seems Ok now. however, since we haven't had the heating on for a month now because the weather has been nice, whenever we use hot water or today I have put the heating on for the first time, it keeps making a sort of clicking sound, it sounds like metal when its cooling and so I would assume that this is what it maybe is? When the water is used intermittently or when it heats up, am I right?!!
    Also, even though it doesn't get below 5 degrees at night anymore the boiler still fires up throughout the day and night, is this normal and why?
     
  2. Dan Robinson

    Dan Robinson

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    And what boiler is it?

    My crystal ball is in for repairs.

    The intermittent firing could be a preheat for the hot water.
     
  3. peterperfection

    peterperfection

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    Noise is pipes expanding & contracting.
    Nothing at all to worry about .
     
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