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: Jun 7, 2026
@editor I haven’t installed a Kronoterm yet, last year was a heliotherm. i have a Versi I’m installing later this year along with an adapt...
@editor the easiest way to find out is to look at the data on open energy monitor. we seem to have a fascination now with low end mod which good con...
Firstly if your not g3 qualified then I wouldn’t touch it. Mixergy can’t tell you what pressure to set the expansion vessel at as they don’...
I’d travel to France for work if you were struggling with finding anyone.
The 16kw will only give you 12kw around 0° so be careful when looking to have that fitted. But you will only have around 15kpa left for the system ...
@jamespa so I fit Nibe, Viessmann, Vaillant, Grant and Heliotherm. I also fitted a new Worcester the other week but that was a favour. id...
@heatgeek Nibe also promote the two pipe buffer, I use this set up when cascading. you would want flow rates matching best you could though. Alt...
@heatgeek this is for an additional buffer vessel, used for separation. it can prolong run times but imo you would be better with a volumiser ra...
@editor it’s a defrost buffer, it uses an Esbe 4 way valve in a three way configuration, hot water, buffer, heating. when it senses it requires a ...
The first issue you have is the dated m&e consultants. Everything is copy and paste and old school workings. you need someone who deals with de...
Firstly by being “suggested” what does this mean? has a full heatloss survey been carrie don’t determine what load is required? by periodic i...
What is that base?? The isolator looks like it’s in the restrictive zone. The diverter valve has a very low value and shut off pressure for a ...
- 27 Forums
- 2,811 Topics
- 66.5 K Posts
- 1,520 Online
- 7,217 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 6 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 7 hours ago
-
RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 7 hours ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 7 hours ago
-
RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 8 hours ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 8 hours ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 11 hours ago
-
I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 15 hours ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
-
RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago


