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: Sep 18, 2026
To conclude this story, I hadn't realised that immersion thermostats are a separate replaceable item to the immersion heater itself. I ordered a Coth...
The Aerona 290 is from a different (Chinese) OEM, compared with the Japanese (Chofu) R32 Aerona3. I don't have experience with the R290, or the smart...
Well, if that's the right PDF the factory set is supposed to be 75 so in theory it should go up at least that far when cranked up to the max. A bit po...
I suppose it could be that 57C is the maximum achievable temperature by the immersion heater, but I thought the point of the adjustment is you could s...
I think we're talking at cross purposes here. The above test is with the ASHP completely turned off. The setup is mains -> power meter -> contac...
Here is the full setup (I really should tidy that wiring...): Disconnected tank stat at the top pocket, thermistor going to the ASHP in the middle...
Also to add, on the original Grant wiring there was a separate tank stat which is in the pocket at the top of the cylinder. I have disconnected this a...
Hmm. When they say the pipes are in the walls, is this all the 22mm of PEX you showed upthread? Do you know where they all go? Roughly how long is the...
@heymikey OK, so that rules out a number of things. I would lean towards thinking you do actually have a flow restriction of some kind. If it's not ai...
Hello @heymikey, I'm not Cally and I haven't read the whole of this thread, but I did have noise problems with my Grant before I rewired it. So just...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 5 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 6 hours ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 6 hours ago
-
RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 8 hours ago
-
RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 8 hours ago
-
RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 14 hours ago
-
RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 1 day ago
-
RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 1 day ago
-
RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 1 day ago
-
My feed of random industrial auctions turned up this au...
By Prunus , 1 day ago
-
Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 2 days ago
-
We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 4 days ago
-
We kept ours and Heat Geek would have been in touch if ...
By Batpred , 4 days ago
SPONSORS
