Recent content by jeh45

  1. J

    Vaillant EcoTecplus831 turning on when Thermostat set to off

    Thank you picasso, I shall try that and see how I get on. I hope this boiler doesn't have yet another fault!!!
  2. J

    Vaillant EcoTecplus831 turning on when Thermostat set to off

    My boiler is randomly turning on, to heat the rads, when the wireless controller is set to OFF. I had the 'stat set to auto and it was behaving and coming on in the evening and morning but today it randomly came on in the day when the 'stat was set to OFF and the room temp was well above the...
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