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Last seen: Aug 26, 2026
Great question, and I can only attempt to comment without the regulation considerations. Whether the bonding could cause a problem if an inverter i...
@transparent The link you added on the Electrical Contractors Association is not working, I wonder if it is this link, for Installing an additional ...
Happy to help. There are many systems able to provide true off-grid/islanding/UPS. When I searched, I saw Solis, Solax, and many others. In this forum...
Clearly aware we are talking about safety here. But a similar example to Powerwall but for personal computing is the Apple vs Wintel debate. My que...
On safety and the misinformation implying all lithium batteries are the same, this is a useful thread that @cathoderay started. My conclusion is that ...
So I hear the export MPAN that UKPN assigned should be put to use soon. 🙂 My learning in this process will be to argue more robustly (and i...
From what I read, the Solis has a very long list of error codes it reports in situations where the grid input does not conform to the defined standard...
I agree this does not seem to make sense. It is perfectly reasonable that you may have an inverter able to generate 5kw AC and want it to enforce a lo...
Yes, certainly not enough could have been tested in any single installation to support a submission. Agreed, given the serious risks in case of ...
@jamespa yes, useful to hear how the earthing is provided. What I also experienced is when the RCDs (or RCBOs) have limitations to check for faults...
Hi @lostandconfused , I agree that topic/thread is the most appropriate, it started with a potential upgrade of a simple solar inverter system to enab...
On closer observation, I had missed that the latest EICR I had from December is showing a Ze of 0.17 Ω, so the installation is compliant. 🙂 ...
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
Yes, looks like very slight increases in the unit rate ...
By Old_Scientist , 27 minutes ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 52 minutes ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 3 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 3 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 4 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 20 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 20 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago
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