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Last seen: Oct 22, 2026
I would be careful with that presumption. Minimum volume is at least in significant part about defrost, and what matters is the minimum volume availa...
It sounds rushed to me but also that it may not be possible to question the direction. I hope you are lucky! Since he has been doing it this way fo...
Caleffi speak in one of their tutorials about the benefits of a 3 pipe buffer. Someone else may have taken the trouble to understand it. As always ...
Sorry but fundamentally you have to. The rate at which energy is absorbed by the emitters is determined by the flow temperature and the pipe area ...
OK. I think your theory, if it applies at all, applies to a small minority of use cases. The vast majority of our housing stock doesn't have UFH an...
Yes, its the 'integral' term in a proportional - integral - differential' controller. Vaillant actually call it the 'energy integral', the units are ...
Vaillant have the same concept. Basically its the sum (actual FT - target FT) * Time. So if the actual FT is 30 and the target 35 and this remains t...
Understood. You suggest (I think) that your data shows that oversizing is positively beneficial to performance in your case. Have I understood tha...
Maybe best not to sound too clever, it might upset him. You might be better first to ask why he thinks you might need 2 pumps and then, if necessary,...
Although i agree that the evidence that oversizing causes performance problems is at best shaky (albeit there are some logical arguments why it might)...
Well that's not really a reason. If he had said "because the index circuit has a resistance that is too high for the water pump" that would be a rea...
A buffer tank will be a cylindrical tank other than your DHW tank, or could be attached to your DHW tank.
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RE: Double or Triple Glazed Windows?
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