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Last seen: Sep 6, 2026
I'm finding it very difficult to follow the system without a full schematic diagram. I think this might be mandatory under Part-L of the Building Regs...
Lets start with this photo @tim441 I've labelled three pairs of double-insulated tails. Pair-A go from the central Switch Disconnector to somet...
And that's as it should be. If the grid parameters could be adjusted after manufacture, then it shouldn't get G98 certification. I remain concerne...
May I persuade you to see the effects of this from the viewpoint of the grid... When an inverter disconnects itself from the grid, any export which ...
And what will happen when the ENA approves a nationwide voltage reduction by reducing the 11kV output from all Primary substations? Your DNO won't k...
I wouldn't recommend changing either the RCDs or the entire CU at this stage. That would make it even more difficult to diagnose the fault if the Po...
If there's a member/customer of Which? who is reading this, please log in to Which? and use the Blue Tab at the top of your screen to send Feedback to...
Tim - your DNO is back on the case. I spent 20mins yesterday in conversation with a senior SSE Engineer. That shouldn't be happening, ...
†Historical note: Godwin died as a consequence of being attacked by all of his neighbours on Saturday 11th July. He'd misunderstood the G99 Conse...
Good question @tim441 and by now you should be able to guess what I'm about to say: What type of electricity supply does the house have...
There's an odd comment made by Which? in that article in Section 2: This lack of confidence meant some homeowners worried they'd spend thousands of ...
Hmmm. Those are issues which you would expect to be addressed by the RCD or RCBO. Ie they offer protection for for the connecting cable to the charg...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
The discussion continues to be interesting and I have o...
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RE: Next steps on my ASHP journey: Radiators and Pipework
At a practical level, you'll also want a heat pump syst...
By Old_Scientist , 1 hour ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 1 day ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 2 days ago
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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 , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 2 days 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...
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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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RE: Solar Power Output – Let’s Compare Generation Figures
@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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