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Last seen: Sep 5, 2026
That's a reflection of the impenetrability of the Grundfos literature, It really is some of the worst technical literature I have ever seen! This i...
They are not called tutorials, but you have received advice in this thread that comes to the same thing. You have to bite the bullet and start doing w...
@bobtskutter - thanks as ever for your detailed replies. By the way, if you do want to use quotes from posts, just select the bit you want to quote an...
I don't think that is the same pump. Grundfos operate one of the most impenetrable identification systems known to man for their pumps, and their manu...
@bobtskutter - thanks will look at the spreadsheet tomorrow (supper calls!). Yes, that is what I was suggesting (an artefact). Indeed. Simpl...
@bobtskutter - thanks for your reply. Some answers: It soon got corrected (I noticed it was the wrong way round, and mentioned it. It was fixed b...
@ivanhoew - these charts are difficult to interpret because of inadequate labelling, and insufficient accounts of methodology. For example, in the fir...
Some further info: I happened to notice a bit over an hour ago my heat pump was in steady state (no cycling), as it often is at OATs of ~4 degrees, ...
@bobtskutter - I think I get at least some of the theory but I am still not sure of the analysis:(1) the PHE data recording was very crude. I can't vo...
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RE: Where heat loss surveys seem to go against practical reality
@batpred This is a great idea in theory. Our house is i...
By ian33a , 1 hour ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 2 days ago
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It’s been out a few days and Amazon has already attache...
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
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@tim441 Here are those same three month periods for 202...
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
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