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 16, 2026
@toodles a bit confused toodles, no idea what’s blowing off the expansion vessel of the tundish but it was loud. I checked my pressure on the gauge a...
Just noticed I have lost my pressure and had to recharge. I have a thought it’s the mains water pressure that’s too high.
@ellyse the icons you can get online and what they do. You will need to do that so you know how to lower dhe temp. The pump speed is determined by fl...
@transparent you can get all the paperwork they hold on you by submitting a data request, GDPR I think it’s called now. Total rubbish refusing to give...
@transparent is that relief valve on the cylinder a built in g4, mine was high up on the pipework with an air gap. It all looks a bit how mine was, th...
@toodles my daughters is similar and I installed it. I reduced the temp but without gauges I have no idea what flow and return temps are. I need to t...
@jamespa once it all goes wrong and you research you then realise how bad. When you confront the installer they don’t understand. Change isn’t coming ...
@jamespa mine was costing me 25 quid a day and I had my log burner running. It might be a free grant she has but it will bankrupt her unless it gets k...
I did a quick check and I’m told if it’s y plan then you don’t have independent control over domestic hot water and heating, but one of the other boff...
@ellyse not sure what’s going on here but 50c water flow is too high, 70c for legionella is too high, gonna get someone burnt the cold water intake pr...
@ellyse my heat pump was also set to 50c which might be default, i reduced it to 35c it was eating electricity and cycling all the time, but that was ...
- 26 Forums
- 2,591 Topics
- 60.3 K Posts
- 214 Online
- 6,924 Members
Join Us!
Worth Watching
Latest Posts
-
Eon next drive EV tariff for import. Export Fuse energy
I was wit Eon Next for export and import. I was very di...
By Andris , 17 minutes ago
-
@transparent Its 10mm pipe in there so well insulated. ...
By David999 , 18 minutes ago
-
RE: Electricity price predictions
@toodles Exactly my own thoughts when I read about this...
By KevH , 2 hours ago
-
RE: How much can an east/west solar solar system be oversized?
@editor , we managed to avoid the cowboys. This is a bo...
By colinc , 2 hours ago
-
RE: Rate the quality of your heat pump design and installation
@keithb I actually found a video on YouTube to set weat...
By Josejo , 4 hours ago
-
RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
Glad the heating is changed. Monitor and tweak if nece...
By JamesPa , 8 hours ago
-
Without a detailed analysis of the hydrodynamics I woul...
By JamesPa , 8 hours ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge no idea if they’ve made changes, but I got...
By AndrewJ , 17 hours ago
-
RE: Say hello and introduce yourself
@alva welcome to the forums and feel free to start a ne...
By Mars , 18 hours ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
So under part G or the G3 rules you have a responsibili...
By ASHP-BOBBA , 19 hours ago
-
RE: Air-to-air heat pumps - best models and installers
Are you creating a whole new category for A2A?
By ASHP-BOBBA , 1 day ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
There isn’t as far as I know, @djh, but you’re welcome ...
By Majordennisbloodnok , 2 days ago
-
RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
Final Update. Yesterday, I was going through the moti...
By Unsure , 2 days ago
-
RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
By Toodles , 2 days ago
-
RE: Selling 2 x Kensa Shoebox 7kw GSHP (New)
Hi Jain, we’ve got an ashp so I’m afraid we won’t be yo...
By Judith , 2 days ago
-
No buffer or low loss header Grant controller in sens...
By JamesPa , 3 days ago
-
RE: Are We Sleepwalking Into Another Race to the Bottom?
That's an amazing job to get all that in there! A truly...
By Batpred , 3 days ago
-
RE: Anyone concerned about GivEnergy?
Thanks for your advice - I'll keep trying with the inst...
By JohnDwyer , 3 days ago
-
RE: Plug and play solar. Thoughts?
I am also yet to find a case where an installation that...
By Batpred , 3 days ago
-
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
This is what I got from OVO. At least it was quick.. ...
By Batpred , 3 days ago
-
RE: IVT greenline HT Plus E - Circulation Pump Constantly On
Welcome to the forums. Irrespective of which brand yo...
By Mars , 4 days ago
-
RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?
Oh, how I love these old scientists!I'm in with your 5 ...
By LeJamaisContent , 4 days ago


