Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Jan 2, 2026
@jamespa good morning. Please don’t apologise for all the questions! I’m sorry that I’m slow in responding. It’s down to a combination of daily grandm...
That’s amazing, thank you @JamesPa for being so generous with your time and knowledge. I’ll take the evening to re-read and digest and try to get the ...
So sorry @JamesPa , I’m an idiot. I took pics of everything and then sent the wrong ones! Our WiFi drops out continually which is when the mighty 3G k...
@cathoderay very prudent and I will in the future question everything! Well the system is on full tilt (it’s minus 7 here today) and I daresn’t look a...
@jamespa Pics as requested, thank you 🙏 Mother board and buffer tank(?) Octopus energy usage
@judith thank you for your advice. The myVaillant app is a work in progress. Living in the sticks, we sometimes have to fall back on 3G and today is o...
@cathoderay yes, thanks to your help and @JamesPa I’m starting to get a little more clued up! As you’ve probably already gleaned, I’m not tech savvy…...
@jamespa thank you again…really struggling with internet connectivity today. We’re int sticks and it’s steam driven… I’ll send photos separately, hope...
@jamespa thank you very much for your detailed reply. I’m sorry it’s taken a few hours for me to respond but I’ve been away from the house most of the...
@cathoderay again, sincere thanks for your time. I’ve read and re-read your latest reply and it makes absolute sense. To the extent that I’ve returned...
@cathoderay sorry, also forgot to mention that I’d never heard of weather compensation until I arrived at this forum. Still not completely sure what i...
Thank you again @cathoderay - your detailed response has made me realise how little I know! The heat loss figure came from a spreadsheet provided by o...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 23 minutes ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 6 hours ago
-
RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 11 hours ago
-
-
RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
-
RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
-
RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
-
It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
-
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
-
RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
-
RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
-
RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
SPONSORS
