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Last seen: Sep 22, 2026
As far as I am aware short cycling can be cured just as effectively by a volumiser as opposed to a buffer tank. Volumisers dont depend on accurate co...
Pretty much but worth unpacking for absolute clarity Yes! Exactly, Heat loss from rad to room is dependent on average flow temp through the...
Interesting, but the question remains, why bother with a buffer in a typical domestic installation. Granted if you have another source of heating it ...
@judith Derek has explained it technically, just to add for the avoidance of doubt - it simply is not true to suggest that adding a LLH can overcome...
I fear you are right. However the reason suggested (which is very plausible) is the equivalent of dressing a dirty wound instead of first cleaning it...
Wow that's inventive but I'm sure you agree that it can be discarded as a legitimate reason. Perhaps we ought to ask why should they be included rat...
But why (bother with a secondary pump and llh) in a typical domestic install? Does anyone actually know a reason that stands up to scrutiny? I am n...
Which simply begs the question - why do I want primary and secondary pumps in the first place (which incidentally must be balanced for the LLH to work...
True, but it appears they are frequently not balanced. My questions to @abernyte (or anyone else) is: In a domestic installation of a 'normal' sc...
Agreed Surely an LLH suffers from mixing of flow and return to the same extent, probably more because its smaller, than a buffer does, and like a...
I did similar, plus a couple of other points. I also sent them an email with the same matters (reproduced below). I doubt that they will do anythi...
The cynic in me says this is about reducing call-outs & guaranteeing adequate volume for defrost. From a customer POV, as well as having the pote...
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Degrees of Separation
Latest Posts
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@mrkfm There are some bad installers out there, of he...
By JamesPa , 4 minutes ago
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RE: Cooling using an air to water heat pump
@mrkfm Yes and no. There are some issues Conden...
By JamesPa , 31 minutes ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Hi @singlespeed That's fine we have installs where the ...
By Will H , 3 hours ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 4 hours ago
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RE: Why are ASHP installs so expensive?
Looking at it another way, do we think heat pump instal...
By scrchngwsl , 5 hours ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 19 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 24 hours ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 1 day ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 2 days 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 , 2 days 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 , 3 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 , 3 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 , 3 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 , 3 days ago
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