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  1. J

    Vitodens 100W and load modulation

    Ta very much for all that. The weather comp webinar could be interesting. I thought I was understanding things until you suggested that weather comp and load compensation aims to lower the setpoint. I understand that with weather comp it pretty much aims for a best case scenario based on its...
  2. J

    Vitodens 100W and load modulation

    Radiators were an afterthought. It was a simple case of: What boiler do you want. Weather comp is a waste of time. Here you go. Sorted. When I did, later on, ask if he could fit new radiators upstairs as well if I purchased some, there was never any mention of doing a full check to make sure...
  3. J

    Vitodens 100W and load modulation

    If you can hold on for a month until I get back home, then by all means!! As they say, the best things come to those who wait! I don't have the latest 2021 version though. It's the one prior to that.
  4. J

    Vitodens 100W and load modulation

    If you can hold on for a month until I get back home, then by all means!! As they say, the best things come to those who wait! I don't have the latest 2021 version though. It's the one prior to that.
  5. J

    Vitodens 100W and load modulation

    Most radiators have been changed and were checked for size at the time. I installed the lower end of the suggested scale as before they were stupidly big. The 2 main ones downstairs are still originals, and plenty large enough for reduced flow temps. This is where the thermostat is most of the...
  6. J

    Vitodens 100W and load modulation

    So, firstly, hello one and all! Last year I had a Vitodens 100 combi installed. So believe it must have been the B1KC model? As is often the case, I thought I had done my homework beforehand. Which to be fair I had. But unfortunately nowhere near enough. Everything on the whole seems fine...
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