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Last seen: Feb 11, 2026
@ashp-bobba brill thanks again!
@ashp-bobba couldn't find the design with my handover papers but here is a digital copy they have supplied (I think)
Will dig this out from the document trove sometime hopefully!
amazing thanks for your help!! Yes we use rads
So I should set that?
@ashp-bobba great thanks. So I could have just picked any two points in the cold and warm parts of the curves and done an estimate? And those paramete...
@ashp-bobba yes if possible, 4 defo too cold but 5 seems sometimes too warm. You can see the differences in the curves are fairly large at the lower t...
Here is the page where I have to input numbers.. I'm just not sure what to put in to get halfway between curves 4 and 5, below
@jamespa i have the r290. I can navigate to the custom settings bit but am unsure what on earth to put in the parameters thereafter. I'll try and get ...
Hi all After a few weeks of adjustment (removing smart TRVs, switching to pure WC, finding right schedule for DHW, changing from Octopus Flux to Cos...
@jamespa Many thanks. Begs the question why the engineer switched it to this mode. I'll try to ensure we are in Method B!
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Latest Posts
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 8 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 12 hours 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 , 12 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 14 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 16 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 16 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 3 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 3 days ago
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