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Last seen: May 8, 2026
That depends on whether your EV charger requires Type-A or Type-B RCD protection.There are no RCBOs with Type-B (DC fault detection). Type-B ...
It's quite possible that the incomer to your house is (still) 16mm² of course. When we had appliances which only switched on periodically, that was ...
I agree with @robl that the G98 testing regime stipulates the time in which the inverter should 'trip'. Your daily graph suggests to me that you we...
That's absolutely the case. I haven't (yet) suggested that @editor tells us the cable size/type and distance between the main house CU and the one i...
It might be technically possible to run an EV charger from a distant secondary Consumer Unit, but it's bad practice.There will be considerable voltage...
Yes @editor - they are export devices at heart. The only reason they wouldn't export to the grid is because you've already used all their output wit...
The German grid topology is different to ours in GB. The majority of domestic premises have a 3-phase supply. You would expect their regulations t...
They are 'exporting to the grid' within the EREC definition. There is no current sensor to prevent electricity from the micro-inverters from being e...
Sheesh... you really want me to go deeper into the technicalities?! There is a European-wide specification Requirement for Generators (RfG) It app...
OK... So I have now received specific guidance on the legality of using such a Balcony Solar System in UK. In short, the answer is NO! Explana...
I'm checking this same point @jancold ! Firstly, the product description doesn't provide detail of the micro-inverters themselves.But they're design...
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RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
On old (non inverter) compressors there’s sometimes a ‘...
By robl , 1 hour ago
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RE: Brown Oily Residue Blocking Air Vent and Weeping Relief Valve... Anyone Seen This?
I'll take a photo of it if and when I next encounter it...
By seoras , 4 hours ago
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Revenge is a dish best served cold. I too, as many know...
By cathodeRay , 5 hours ago
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RE: Heat Pump Pipe Sizing Question
@trebor12345rebor12345 I got the circulator curves from...
By bobflux , 8 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
That particular Tracking system gets updated as soon as...
By Transparent , 14 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@editor It's available here -
By HarrisonC , 1 day ago
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@painter26 i am in Lightwater and midea trained. Sounds...
By Wizard , 1 day ago
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RE: Renewables & Heat Pumps in the News
@jamespa, for all I know they did have the coupling and...
By Mars , 1 day ago
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@andrewj ... well, clearing gutters is a worthwhile ann...
By colinc , 1 day ago
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RE: Anyone concerned about GivEnergy?
Here is the latest communication from GivEnergy regardi...
By txmartyn , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
Can @editor please clarify: Does the Indevolt App com...
By Transparent , 2 days ago
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@editor I too had a long list of questions, some of ...
By Bash , 2 days ago
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RE: Tell us about your Solar (PV) setup
3.84kWp of solar on our main South-East facing roof, in...
By Gmuzz , 2 days ago
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RE: Mitsubishi Ecodan FTC6, Evohome & Economy 7. Getting Two Zones to Work Together
Lets step back. Why do you need/want 2 zones? The hea...
By JamesPa , 2 days ago
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RE: Vaillant arotherm plus heat pump frost protection
Yes, typically as close to the heat pump as possible. ...
By JamesPa , 2 days ago
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RE: Our 10 year old Grant heat pump failed
Back in the 70’s and through the eighties, one of my re...
By Toodles , 2 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 3 days ago
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The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 3 days ago
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RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 3 days ago
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RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 3 days ago
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RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 3 days ago
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RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 3 days ago
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Solis AC-coupled 3kW storage inverter
Solis AC-coupled 3kW storage inverterPylontech batterie...
By MartinRobinson , 4 days ago
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RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
By cathodeRay , 4 days ago



