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Last seen: Aug 22, 2026
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...
I have experience of not getting pp and have followed a lot if what others have said. In summary: It depends entirely on your lpa. Some, like min...
Yes that's quite normal. And the 'advice' may be quite unhelpful in my limited experience, basically a load of backside covering telling things you c...
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