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Last seen: Apr 13, 2026
@agentgeorge Interesting. I understand that both Cosy 6 & 9 owners are having visits (in and out of scheduled service visits) to have the pcb repl...
I am just wondering whether you have noticed anything different following that PCB exchange during your annual Cosy service?
@jamespa From what I have read, the Adia TRVs are installed to existing rads as part of a bespoke installation that includes a master hub which manage...
On order, expected Friday. 😀
Many thanks. I am shopping for decorators caps!
@jamespa Thanks for this...do you mean take the control knobs off the TRVs and replace with a decorators cap? In addition to virtually locking down t...
@toodles Thanks for your advice. I am down to a quarter turn open on the three LSVs on the three upstairs rads, so maybe there is a little (a smidgeo...
@andrewj Many thanks for taking the time to explain, it is much appreciated. I am learning so much through following your postings and your exchange...
Bearing in mind that Octopus can apparently monitor our every move in regards to the hub, I would be concerned about invalidating the warranty. &nbs...
I have plotted myself that exact same chart, and have assumed that the FT levels off beyond the set points, which I think personally is a weakness in ...
Ah, yes, so the effect is to shift the WCC towards the cold end by about 5c, so that at -10c OAT your FT is around 46c? Sounds interesting. As @and...
This is very interesting and is something I was totally unaware of until now. If I understand correctly, you have adjusted the ends of the WCC which...
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RE: Air-to-air heat pumps - best models and installers
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
Final Update. Yesterday, I was going through the moti...
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RE: How much can an east/west solar solar system be oversized?
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RE: Forum updates, announcements & issues
Thank you Mars for all your dedication to improvements;...
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
Take it one step at a time. If you can get the dhw and...
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RE: Selling 2 x Kensa Shoebox 7kw GSHP (New)
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No buffer or low loss header Grant controller in sens...
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RE: Are We Sleepwalking Into Another Race to the Bottom?
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RE: Anyone concerned about GivEnergy?
Thanks for your advice - I'll keep trying with the inst...
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RE: Plug and play solar. Thoughts?
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
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RE: IVT greenline HT Plus E - Circulation Pump Constantly On
Welcome to the forums. Irrespective of which brand yo...
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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 , 2 days ago
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RE: Jokes and fun posts about heat pumps and renewables
@jamespa Someone who is not easily phased I suppose.
By Toodles , 3 days ago
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@downfield Once OE had removed our gas meter and capped...
By Toodles , 3 days ago
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Living with a Low Loss Header (Or Measure For Measure, it’s All About the Pump)
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By Toodles , 3 days ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
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RE: The Reality Behind a Failed Heat Pump Installation – and an IWA Insurance Rejection
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RE: Solar Power Output – Let’s Compare Generation Figures
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@judith, glad you found the story interesting. On eff...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
The vaillant controller and app do all of that (and mor...
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