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Last seen: Sep 22, 2026
Basically what this is saying is that, if the water pump contained within the heat pump isn't strong enough for the job (because your heating system h...
@marzipan71 In the diagram they look and are piped like a buffer tank (an LLH is, in effect, just a small buffer tank afaik). So far as I can tell ...
@iancalderbank Re-reading the thread on buildhub I refer to above I think I am now both confused and a little embarrassed. I thought that the con...
I will be quite frank and admit that your questions had me re-evaluating my assumptions. I will have to look back a long way on the buildhub forum (...
Sorry on my reading it does. I quote ... "So when you are in a low load condition you get this issue:... The flow slows down and the unit trips out...
It's both very refreshing and somewhat depressing to read this. Assuming I understand it correctly there is an admission that LLHs were added principa...
Thats my understanding and how it has been described to me by someone who has a buffer tank set up properly, and has demonstrated so with fully convin...
Temp sensor (or two) in buffer monitor where the thermocline is, heat pump adjusts the flow from the heat pump accordingly, thus keeping the separatio...
You can try arguing with the installer. In my experience this will work with some, but many will take no notice. Basically its a sellers market so m...
Exactly that. There is clearly an argument, in some, perhaps many retrofit situations with radiators, for running at say 55C ((which I guess is on th...
Er is that true, or is it only the case that any heat pumps when run at high temperature results in lower efficiency (which is of course the case)? T...
To some extent you are doing that by contributing to this forum. I have also wondered the same (but am enjoying being retired too much to want to com...
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Degrees of Separation
Latest Posts
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RE: Cooling using an air to water heat pump
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Is there any expected time frame for an update to be ab...
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RE: Why are ASHP installs so expensive?
Posted by: @springswood I confess to becoming a litt...
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@mrkfm There are some bad installers out there, both ...
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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, ...
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
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Depends on what controls the pump! Thats the whole poi...
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The positive reviews keep coming in for Britain's Heat ...
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RE: Next steps on my ASHP journey: Radiators and Pipework
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
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RE: Missing flow temperature in Heat Geek proposal
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