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    Help Viessmann vitodens 100

    It goes up as Normal and decreases once it's off but where's before it would eventually drop to around 20c with no more use it now hovers at 35c. It may just be a normal setting that was changed during a service or not changed back. Is 35c a safe temperature for the boiler to be at idle or is it...
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    Help Viessmann vitodens 100

    Hi we don't turn the actual boiler off to say, we have a portable thermostat that sits in the living room it turns the heating on when the room temperature reaches a certain low and off again when room temperature is reached. The Boiler is a Combi Boiler I'm just wondering if during the last...
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    Help Viessmann vitodens 100

    Hello everyone first time on this forum I'm seeking some advice, recently I have noticed that my Boiler never drops down below 35c even after hours and hours of no use whereas before it would always drop down to between 19-24c after no use say overnight etc, my question is A is 35c degree...
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