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Last seen: Mar 16, 2026
Thanks for such a comprehensive response!!! The system uses R290 The max it can heat dhw is 50, anything more than that the installer h...
Hi, FYI an update of sorts. So I agree the system doesn't appear to work as a hot water cylinder but instead contains hot water and water is passe...
Hi After several weeks of pestering, an engineer turned up today to look to fix the issue. The suggestion is that the intake for cold water was pu...
House was finished several years ago, complicated a bit because home build was impacted by covid. Still waiting for reply from them on what the DHW...
Hi, No, we're currently in a situation where there isn't a confirmation that there is actually a problem. I've asked the installer to explain exa...
Hi, Nothing yet. I've asked customer to measure flow and asked Heliotherm to explain exactly what that other cylinder does because it suggests inst...
@jamespa Attached are a few photos I took from today. I also have a video if that might help. Mike
Hi, Yes it's a big new house 2022, grand design ish. Probably almost passivhaus standard, EPC A 99.. So there's a circulation pump as well going on...
Hi, The left is the buffer tank, the right is DHW. It's right is one of these It says it's fresh pure hot water on demand. So I don't don't unders...
Hi Attached is picture of the tanks. It's a heliotherm. I've spoken with the installer and they mentioned flow rates on showers as well. Mik...
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Hi @ian33a you could do your own heat loss calculation ...
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
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Current metrics - DHW target set to 47c
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
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That was my understanding also.
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Heat geek have already stated that the pro is in fact c...
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