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    Vaillant VSMart boiler temperature

    I’ve set it to 71C, I don’t change it.
  2. I

    Vaillant VSMart boiler temperature

    Hi Matt, I haven’t really looked at it this year. I do find it very cheap to run to be honest. I’m not seeing the very high flow temp requests that you are. Currently it is asking for 78C but I’ll monitor it and see if that changes at all. I’ve also limited the maximum.
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    Vaillant VSMart boiler temperature

    The TRVs seem fine. All I’m trying to work out is if the vSmart is modulating the flow temperature as it’s supposed to. The idea is that as the target temperature gets closer the vSmart requests lower flow temperatures from the boiler. Mine just seems to constantly be at 75C right up until...
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    Vaillant VSMart boiler temperature

    The temperature in the house is fine. I’m only asking the question as I’m hoping to make the setup more efficient. If the target temperature is 20C the boiler fires up when the house temperature drops down to 19.8 or so. It’s doing a good job of keeping the house at 20C. But when it does...
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    Vaillant VSMart boiler temperature

    Hi John. Yes the house is getting up to temperature quite quickly. Often long before it is supposed to. No it’s not constantly running, just goes on and off as you’d expect to maintain the temperature we’ve asked it to. Whenever the boiler fires up for the central heating it goes to 75C within...
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    Vaillant VSMart boiler temperature

    Hi all, My vSmart system has recently come out of its learning phase and is now functioning properly. I know that it can request varying flow temperatures, and ultimately this can save money. However whenever my boiler is running it seems to be running flat out at 75C. How can I check if...
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