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    Vaillant Ecotec 824 R1 - random noise when heating ON

    Hi We have Vaillant Ecotec 824 R1 in our flat which has an issue that puzzles gas engineers. The boiler make a very loud noise when central heating is on - this in random and occurs mostly at night. I'm sharing video showing the problem via Google Drive. The engineers are puzzled and so far...
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    ecoTEC plus 824 - digistat +3 issues

    Hi Our heating is dead and winter is coming...Got a little baby now so need it sorted. The system is Valliant ecoTEC plus 824 and drayton digistat +3 wired (no batteries; no RF). The system was turned off for the summer - boiler on OFF (by turning the radiator knob to the left) and digistat...
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