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  1. J

    Viessmann WB2B Combi Fault

    Hi, I have a 7 year old Viessmann WB2B combi. I noticed last night when I went to bed that the boiler was still on when it would normally be off at this time. The boiler remained on throughout the night. There are no fault codes but the tap symbol remains on all the time, we have no heating but...
  2. J

    Honeywell CMS927 and Intergas

    Hi, The Intergas manual talks about the Honeywell CMS927 thermostat. I can only see the CM927 on the Honeywell UK site, what's the difference between them? Thanks
  3. J

    Horstmann Calendar time switch

    Hi, Does anyone know how to adjust the start and end time for this calendar time switch. The time and dates are correct but it could do with switching the lights on about half an hour earlier and switching off half an hour later than it currently does. Thanks
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