Last seen: Aug 26, 2025
Let me just turn the light on in that cupboard @gunboatdiplomat Ah... that's better. So this is a very straightforward distribution board with ...
I'm not the right person to answer those points,... although I don't like the sound of you having a TRV on the system.The house temperature gets regul...
That looks like an Inta flow-gauge, with side branches for Fill and Flush.So I assume there are other places through which anti-freeze can be added, n...
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...
Latest Posts
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@scalextrix which make of heat pump. We have LG... w...
By Tim441 , 1 hour ago
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The problem is bigger than rented properties, it applie...
By JamesPa , 2 hours ago
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, I really appreciate your information, a...
By DavidAlgarve , 3 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
What limit are you speaking of. So far I was aware dno...
By JamesPa , 5 hours ago
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 11 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 14 hours ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 22 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 2 days ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 2 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 2 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 3 days ago
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RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 3 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 4 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 4 days ago
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 5 days ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 6 days ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 6 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 7 days ago
