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Last seen: Sep 6, 2026
Do you have a source reference to Viessman's manuals where this approach is described by them? Well, yeees... but where is the sensor ...
I have one of those... a Thermal Store. In my case the secondary heat source is a solar-thermal array, which has its own coil at the bottom of the 2...
I too have a private water supply. It's a well holding around 10,000-litres, and was blasted with dynamite when you were still allowed to do such thin...
Guildford is a University town. If Jon were there, there a reasonably high probability that the local data he'd want is already made available for use...
Did Jon opt to use ERA5 data...? ... or was it Claude's choice? @jon - please join in here. This is a discussion topic rather than a th...
@jon - I'm finding this particularly difficult to follow because it's all text! Can you not post the graphs on which your comments are based? &nbs...
That makes sense, and concurs with a lot of online chatter from 'influencers'. Check the rules on using a dedicated hardwired connection to your bal...
A couple more points about placing solar panels at low level: Unlike an installation on a high-roof, panels on a shed or garage are less likely to b...
Let's deal with mounting systems first. You don't have to use a proprietary brand of aluminium rails. The shipping costs can be prohibitively expens...
Earthing of roof-rails and roof-mounted solar panels is not required in the UK. If you get a shock from touching them, then why are you sitting on t...
Good questions. There's a lot to explain here. Renusol is a German PV Panel roof-mounting brand, and available in the UK from Midsummer Wholesale. ...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@rob-of-york I think this a very reasonable way to ap...
By JamesPa , 1 hour ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 21 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 1 day ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 2 days ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 2 days ago
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It’s been out a few days and Amazon has already attache...
By Mars , 2 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 4 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 7 days ago
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