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: Nov 23, 2025
@derek-m sorry- probably wrong terminology! In the Perspex scale. If it’s off the red ‘toggle’ is at the top on ‘0’ and when on it adjusts. I’ve attac...
@derek-m thank you for this. Probably a silly question but when the system is not asking for heat all the valve pressures are on 0… It’s when they are...
@derek-m thank you so much. The heating engineer is coming tomorrow so I am hoping he will agree to turn off the pump. can you advise where I open and...
@derek-m yes- the pumps switch on and off. I felt each pipe getting warm, I think they all felt a similar temperature… We do find that downstairs heat...
@h2009 sounds similar for sure- and equally costing a small fortune. I’m hoping to get the pump disconnected this week to see if that helps. Keep me p...
@derek-m I’ve done the advised checks and all seems to be working as expected. Photo of the downstairs set up on previous post but here’s upstairs, ...
@derek-m thank you- I will do this test tomorrow and feedback. I think there is a similar set up upstairs in our wardrobe but will need to clear it ou...
@derek-m here’s my results! all stats turned down to 16 on ‘weather temp set’ screen (photo as previous)- zone 1 H-mode High Temp-ON zone ...
@derek-m thank you. I’ll do the suggested over the weekend and get back to you, thanks again, katie
@derek-m thank you! I’ll have a good look at the manual, this is really useful! before I change anything with the heating I just wanted to clarify. ...
@derek-m thank you. Do you mean the pipe the is in the center top of the tank? I have added a photo. I have switched the green pump to 1 and will lo...
- 27 Forums
- 2,758 Topics
- 64.9 K Posts
- 2,073 Online
- 7,162 Members
Join Us!
Installer Finder
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 , 2 hours ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 7 hours ago
-
RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 13 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 , 2 days 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 , 4 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 , 5 days ago
-
RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago



