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 31, 2026
Ok it’s been a few weeks since I posted and things have moved on so I thought I’d update back with what else I have learnt and changed over that time....
Well this morning the master bedroom & ensuite were at 19.2C and the living room 20C so both towards the bottom end of normal but quite close and ...
Ok I’ve cleaned both filters - both were quite dirty with fine black soot, but I wouldn’t like to say they were dirty enough to restrict flow. I’m ju...
Must admit I am also cynical as to why reducing flow rate in order to achieve a bigger differential between flow temp and return flow temp would be be...
As far as I can remember the reason why it caused more defrosts was that it kept the compressor running constantly which caused it to ice up. Keepin...
Ok so I’ve called Grant this morning and talked through the issues. their advice was that my flow rates are likey too high which is what is...
Thank you JamesPA for taking the time to reply to me, it is much appreciated. I will try to respond to some of the questions and points you raise. ...
@transparent the backup ports are for use with the optional gateway device which is for just that. I specifically checked. Gateway is extra as w...
ok fair point but what’s confusing me, which I have not said, is that as soon as he had installed the tanks he came and apologised and said they neede...
will do, I’ve not made any changes today, I am gathering my thoughts on everything learn from here and the Chofu manual first but I will decide what t...
- 27 Forums
- 2,746 Topics
- 64.5 K Posts
- 1,138 Online
- 7,149 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
Have you considered keeping your FF boiler and suppleme...
By Old_Scientist , 1 hour 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 , 3 hours ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 3 hours ago
-
RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 4 hours ago
-
@editor Thanks for your response and recommendations. ...
By DavidB , 11 hours 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 , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 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 , 4 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 6 days ago



