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Last seen: Sep 21, 2026
Each Jaga rad has its own temp sensor and fan controller. There is no central connection to the heat pump. Same with Mitsi and just about every othe...
Not a real problem. If the rad output is correct at the design FT and design OAT, then it will also be (almost) correct at the lower FT determined...
Ah, that makes sense and the 7kW Vaillant plus backup is a strategy a neighbour of mine has, so far successfully, adopted. Note that at -2 the 7kW Va...
It wasn't supposed to be a criticism, just additional info. If you are building a spreadsheet, which many do, a formula is more useful than a table! ...
Many manufacturers give an equation in the following form: output is proportional to (deltaT)^n where deltaT is the mean difference between the ...
First question, what's the heat loss of your house? If by any chance you have a smart meter and can get half hourly or daily gas consumption you can...
Further to the above I found the manual here Page 37 describes the alarm and possible reasons, of which a blocked filter is one. Page 2...
Do you know what the alarm means. From what you 'have been told' it sounds like a 'low flow' alarm. If it wasnt there initially then something ...
As a former local government employee (following a career in engineering) I realised that explaining the consequences to politicians simply and in ter...
I am planning on trialling night time 'set forward' to take advantage of cheap rate tarrif. I have no idea if it will work in practice. The challeng...
Thanks for that, I think there is much comfort to be drawn because of: ... with which, based on everything you have told me, I agree. My heat ...
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Degrees of Separation
Latest Posts
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RE: Why are ASHP installs so expensive?
And then you look at US electricity prices and weep.
By bornagain , 5 minutes ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
I upgraded mine but only because it was vented. Had ...
By JamesPa , 3 hours ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 5 hours ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 19 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 23 hours ago
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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 , 2 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 2 days ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 2 days ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 2 days ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 3 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 3 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 3 days ago
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My feed of random industrial auctions turned up this au...
By Prunus , 3 days ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 4 days ago
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