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Last seen: Sep 10, 2026
Really? Like... er... WOW! And I'd always thought they ran on AC
@bretix I don't think there's anything particularly unusual about the pair of GSL batteries you have. I'm unsure if it's a "current model" because ...
To get suitable 'low voltage'/high-current battery cable by the metre, try 12-volt Planet or Split Charge (who also sell on ebay). You also need the...
For pipe insulation on a heat-pump, the materials cost isn't significant compared with the energy savings. I'd recommend the closed-cell elasomeric ...
I'm not wildly enthusiastic about the use of expanding foam! The thickness of pipe insulation in your plant room doesn't look adequate in the first ...
From the photos posted earlier by @bretix I'm presenting the following overall diagram. It's derived from the one on p.28 of the SunSynk 10kWh 3ph ...
You should ask your Installer to register the SunSynk inverter and batteries with MCS. I think his advice not to register was a mistake. Your 3ph ...
Returning now to earlier (long) list of issues raised by @bretix Although @david999 suggested using the Eddi Diverter, this isn't necessary in yo...
Before we discuss anything more about the inverters and batteries in @bretix 's plant room, please allow me to post this portion of a photo above. ...
Yes @david999 - @johnmo is correct. Failing to switch stuff in the right order can break things... such as your cardiac rhythm. 🤒 It's al...
Not quite. There's a randomised delay in your Smart Meter.The tariff periods aren't synchronised to UTC/GMT/BST, but delayed in an attempt to preven...
Let me deal with @david999 's point first because it will take less time than what I have to write about the plant-room with @bretix ' heat-pump equip...
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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 , 5 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 , 9 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 , 9 hours ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 13 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 , 19 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 , 21 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 , 4 days ago
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