Recent content by urban

  1. U

    Vailant Ecotec Plus 630 Slow Heat up

    The boiler is in a 6 bedroom South London Semi. It was sized by the heating engineer. It stays on. The power to the boiler is not switched by the thermostat - the boiler is (correctly) permanently powered with the thermostat just controlling the beat demand. U.
  2. U

    Vailant Ecotec Plus 630 Slow Heat up

    I have a Vailant Ecotec 630 which was fitted about 8 months ago. It has behaved strangely from new and I'm wondering if anyone has any ideas. The heating engineer who fitted it claims that it's working fine. When heating is demanded the boiler fires but the burner is modulated down to a low...
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