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Last seen: Sep 10, 2026
I agree.A second black downpipe next to the one around the corner would've looked less conspicuous.The flow, return and electrical supply could all be...
Here's a top-level system diagram @judith Most of the 'mains' 240v stuff is running from the batteries.There's a separate consumer unit for t...
It depends which side of the fence you're on. The MCS regulations do little to protect customers,but they're of great value to the accredited instal...
Yes, @judith is correct. You must be given site-specific information about your installation, not just generic documents from manufacturers of applian...
Very true. The best way to train engineers is to breed them. But even that's thwarted by regulations.I can get safety-glasses and hard hats for a ...
With a technical CV like that @jancold you'll soon find yourself answering questions from others here! True. I started with an off-grid arrangeme...
I don't think there's a clear answer to that.It depends... And that's one of the problems with the PAS63100.It's trying to stipulate how an installa...
Yes. Not only is PAS63100 not mandatory at this stage, but existing installations are exempt. Even so, the Standard has been a year in development b...
Will the installer be laughing when you tell him that the new PAS63100 Standard states that domestic storage batteries shouldn't be within the habitab...
I would be surprised if there's much tail-off in efficiency from a solar-thermal vacuum tube.Being 25 years old isn't a reason to replace the radiatio...
Nah.... we're pretty laid back.There's very little that makes us cross 😉 Please post where you'd like to join in.For others to find what yo...
Something else has changed on the Forum in the last few days. I usually keep open the Tabs for topics where I'm currently contributing or researchin...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
I think not but have now added the cloud coverage weath...
By Batpred , 4 hours ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
@judith Thanks very much for this! My room by room calc...
By jon , 7 hours ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
I think that is outrageous even if I suspect not unique...
By Batpred , 8 hours ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 12 hours ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 17 hours ago
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RE: Adventures in heat loss calculations
Posted by: @jamespa At this point its probably worth...
By Rob of York , 19 hours ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 1 day ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 1 day ago
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
By Rob of York , 3 days ago
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RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
By Rusty , 3 days ago
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Thank you @trebor12345
By rgabor , 3 days ago
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
By JamesPa , 3 days ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
We had two heat pumps installed without Govt funding. H...
By Rob of York , 3 days ago
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