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: Apr 2, 2026
Yes all those probes in the photo are tucked and wrapped around the copper pipes and insulated with no air to interfere with the readings. I will put ...
If the return was at the top the flow setter would read 0? I'm guessing they only work one way. As u said I think a pipe trace needs doing and I'll do...
[/quote] I don't think this solves it as being upside down would mean the pump is pulling the other way and it would be the coldest flow as it would...
duplicate ignore
@bobflux yes the wilo pump is on the heating circuit side. The flow setter is not upside down as the arrow is pointing up. towards the tank. plus I ge...
@jamespa Thanks James, I agree with you on most of this. it's just that I'm not a plumber or heating engineer so my knowledge is literally based on wh...
@prunus I thought the pipes in the walls were15mm which come off the 22 pex in the loft. But having just checked it looks like they are 22's and then ...
@editor Hi Mars, I hope you are well. I wasn't sure if I should post a question or PM so I did both. I jumped on a threat recently wh...
So an update but not much success. System was power flushed which seemed to get rid of the vibrating, but my flow rate still is awful. It slowly degra...
@prunusk I guess I was being generic with PV The pipe is the below. JG Speedfit WC22BPEX PEX Pipe.
@prunus Thank you very much. I'll do my best to give all the details. So I have the 13kw Grant Aerona3 R32. No buffer or volumiser at all. I know the ...
- 27 Forums
- 2,745 Topics
- 64.5 K Posts
- 1,676 Online
- 7,149 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I think @JamesPa’s latest comments are probably...
By Mars , 7 hours ago
-
@jamespa, I think we agree on about 80% of this. Where ...
By Mars , 8 hours ago
-
RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 13 hours ago
-
I'm not sure why you would want to make it more difficu...
By JamesPa , 17 hours ago
-
RE: Mitsubishi Ecodan FTC6 settings
I was just replying when i saw your edit drop in! 🙂 ...
By F1p , 19 hours ago
-
RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 21 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 1 day ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 1 day ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 2 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 4 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 5 days ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 6 days ago



