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Last seen: May 21, 2026
Those control valves on the UFH manifold could be an issue that might cause cycling- if all the valves close then you will lose a lot of your system e...
@goodbyegas looks like you have a thermostatic mixing valve on that UFH manifold. If you do indeed have the two zone setup on the Ecodan then the m...
Photos of cylinder cupboard and UFH manifold would be useful.
Lot going on - I would try to focus on one thing at a time. So when the system stops working you have the lightning symbol on - to restart it you go...
@jamespa blimey you type fast😀 Yes what you describe I think removes the need to communicate with the heat pump which is a practical bene...
@jamespa You are correct we are probably getting a bit too deep in the thermodynamics- I will take it offline - Ive now gone down a rabbit hole of ...
@jamespa I think the dynamic behaviour and propagation of heat flux in response to a step change in external conditions is a really interesting poi...
I have one Sonoff smart TRV in our bedroom set to 18DegC. On the trend you can clearly see it cycling on and off and the heatpump having to react to t...
So I have finished the book- enjoyed the chapter on heatpump in stone house since that has been my journey as well. I was very impressed with the CV...
@grahamf Yes that sounds like a good approach to me. In technical control engineering terms most controllers have two or possibly three or even ...
@grahamf Yes that sounds like a good approach to me. In technical control engineering terms most controllers have two or possibly three or even ...
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Latest Posts
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RE: How quickly would you want/expect heat recovery to take from setback?
I think a lot depends on how sophisticated the control ...
By Temperature_Gradient , 9 minutes ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 14 hours ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 16 hours ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 18 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 18 hours ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 19 hours ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 19 hours ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 22 hours ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 24 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 1 day ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 1 day ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 2 days ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 2 days ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 2 days ago


