Last seen: Dec 26, 2025
Yes, TN-C-S is what we call PME, but is more descriptive for those with a technical understanding.Your substation transformer and any poles carrying o...
You'll have difficulty arranging to have two meters for a single location.Your Energy Supplier would receive a Notification from ECOES, the national d...
Thanks @gunboatdiplomatThat's progress. Is your house also PME, with an earth wire emerging from the Service Fuse? And does your Zappi have an ear...
That's now a lot clearer @howerpiece The earth is indeed provided by your DNO.It's derived from the Neutral wire connecting your house to the local ...
"They" won't change your meter.It's up to you to make that request of your Energy Supplier. Just have a think about how you might use 2 or 3 phases....
Within a cupboard or a meter box, it's unusual to have tails 'secured'.They tend to get left in free air. That reduces electromagnetic coupling and te...
Yes, the IET regulations are for internal wiring, from the meter onwards. There certainly are regulations which apply to the Distribution Grid.Each ...
Thanks for the photos. Very entertaining. Are all seven photos of your house, or are some of the neighbour's?Feeding one house from another is c...
That's an impressive piece of copy & paste @howerpiece If you'd like a copy of the original, it's in Libre-Office Draw (ODT) format.I deliberately...
@david999 - that reply from the installer needs @ant87 to comment rather than myself... which is why I've just tagged him here! I'm not a heat pump ...
Hmmm. I think this diagram shows what you'd like, but I'm unsure whether it's permitted To obtain consent from your DNO for installation of a G98 ...
The Social Housing partner within the scheme could insist on a GSHP network for their tenants once they know that it's a possibility. So it's worthwhi...
Latest Posts
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RE: ASHP sizing - value of Heat Transfer Coefficient
Sorry, but I cant see what the point of this is unless ...
By JamesPa , 7 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
TC Thermostatic Radiator Valve TRV Plastic Decorators S...
By Toodles , 10 hours ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
UPDATE: Thanks everyone who commened with suggestions h...
By 9jwr9 , 15 hours ago
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How long will your energy contract last?
Some heat pump tariffs don’t run as long as a heat pu...
By Toodles , 2 days ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 2 days ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I found because I have very low heat loss I can set bac...
By RadWhisperer , 4 days ago
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Welcome @mickamills We too have an oversized 12kW Sa...
By Old_Scientist , 4 days ago
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@caron I can confirm that the power usage of the PW3 is...
By Old_Scientist , 4 days ago
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RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
By JamesPa , 4 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@bash brilliant, thanks for the feedback
By energy9165 , 4 days ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@alastair There I was, feeling grumpy, he said “Cheer u...
By Toodles , 4 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Depends on OAT. Mine cycles at OAT>10 and of course...
By JamesPa , 4 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 4 days ago
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RE: Mitsubishi Ecodan R290 10kW performance
And to you too. Wishing you a very enjoyable festive s...
By Sheriff Fatman , 5 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 5 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 5 days ago
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Daikin EDLA11D3V3 DHW Settings
I have a newly installed EDLA11D3V3 which I'm still get...
By Velcro , 5 days ago
