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  1. R

    Vaillant ecoTEC plus VU,VUW query

    Hi, Hoping someone can give me some advice. I moved to a new build house in June which has an ecoTEC plus boiler installed and located next to the bedroom. On the first night I noticed that the pump was running at regular intervals through the night which was too noisy. I read the user...
  2. R

    Vaillant ecoTEC plus 831 - intermittent electric fault

    Hi, I'm after some advice about what appears to be an electrical fault on my boiler which is affecting the heating operation. When the system is on and the room stat is calling for heat the system will stay stuck in s.30. As far as I can tell the fault is not with the stat but somewhere in the...
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