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
Hmm, I need to have a crawl around and check the radiator piping but I think it's all one 22mm backbone with 15mm drops - a couple of drops serve two ...
Some fair points... I've been doing some investigations. The system is balanced, in the sense of delivering heat evenly without cold spots. However ...
Good spot, I'd missed that 'short circuit' path. Here's another go: If no V1/V2/V3 are powered (all NC position) then we're in classic buffer hea...
Agreed, you get loss of optimality - but it continues to work, rather than just breaking. That's what I'm trying to do: design and insulate it ri...
I wondered about that. Wouldn't that potentially cause issues with flow rates? I have no idea what the flow through the radiators is, and I thought th...
I haven't bought the Aerona Smart Controller (£700!) but my guess what they mean with 'retrofit' is basically undoing all the weird external switching...
For the record, Grant supply ethylene glycol for their heat pumps: Grant Inhib03 Heat Pump Fluid (Heat Pump Concentrate) - MSDS: So if it's a Gran...
There shouldn’t be a problem using an inverter rated higher than your panel output. Maybe there will be a small efficiency loss at the low end (grey d...
One thing I fixed was my dozy installer had screwed the copper pipes from the ASHP to the loft joists with regular brass pipe clips. (Flexi tails outs...
@jimbo69 As a follow up to my post above, I solved the other cause of my noise. The installer fitted my system with a Honeywell Lyriq on-off controlle...
It is possible to install a thermistor (10K, beta=3435, 1%) in the DHW cylinder so the tank temperature can be read by the ASHP. However this doesn'...
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 , 6 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 , 9 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
