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Those AC isolators are physically connected in a changeover switch, so it’s one or the other in a flip/flop arrangement.

Changeover, as it’s referred to, should be exactly that. A switch that breaks all connection from the grid supply and swaps you to the ‘generator’ (whatever source that is), and any electrician should know the fundamentals here; if they don’t, there’s a book in their van that they can go and consult. If they still, then, don’t know, show them the door and give the same money to someone who does. If you don’t know, and you (any member of the public) attempt to DIY, then that’s about as dangerous as it can get. Foreign manufacturers installation guides need proper interpretation by the sparky / installer in the relevant country, so there shouldn’t be any ambiguity if you’ve chosen the installer well. It would need to be the ‘perfect storm’ though, as one dwellings output would be entirely consumed by the neighbouring properties sharing the line, plus the line / local transformer losses etc, so even if you had a huge inverter the chances of zapping a linesman, in the real world, would be rows of noughts after the decimal place. Imagine your microgenerator being asked, in a blackout, to reverse feed all of your neighbours houses. It wouldn’t even get the lights to flicker. A person would have to be working on the severed DNO cable feeding your house to go meet Jesus.

This is the one I'm looking at, same as I already have. Definitely has a fan. https://cnspowertools.co.uk/makita-dc18rc-18v-lxt-li-ion-charger.html

But you’re getting all the answers, however difficult that becomes, lol.

So, 3ph heat pumps, back on topic folks!!!!!

I'm pretty sure uk regs say double pole breaker. I think the issue is if the cable is severed then the neutral can become line and someone outside working could get a shock between the neutral and local earth. Your electrican should know all this and sort it out The single pole seems to the Australian regs.

People, in general, would rather have a grossly expensive kitchen, nicer car, at least one holiday per annum, and a high gas bill. Ignorance will remain blissful for a good few more years to come.

I mentioned it to one of my neighbours who is always going on about getting triple glazing despite having huge holes in her floor which she isn’t bothered about. asked her what she thought to the program and she said…why are they messing around blocking all the holes up and then putting a machine in to pump air around, isn’t that what a chimney is for? 🙈 😫 I enjoyed it but like watching his programs on anything, his enthusiasm is great and also speaks my language (Yorkshire), a good intro to passive house for the uninitiated, I doubt people will be rushing out to upgrade any time soon though, majority see it as unnecessary, and that it’s on the government to bring down energy prices.

I fitted one of these for a £25k bathroom makeover, and it was quite annoying. Made a sound when a device came into range or it lost it etc. Good sound, stereo tweeters with very good dispersion, but I’d never go this route again. Sonos (or other remote) amplifier, and a pair of dumb (quality) speakers for me.

The alleged fast chargers without fans will not charge a hot battery. They wait until it’s cooled fully and then charge at full pace. Best deals are batteries + charger bundles.

Permissions get handed out like penny sweets to developers. Had one client jumping backwards through hoops for 2 years of battling, costs of over £25k for the ‘privilege’, had to set the medium sized house back from the road to not offend the morning commuters, and half a mile further up the road was a developer site, houses 2m from the pavement, and all squeezed in with a shoe horn. These were just horrid red boxes, zero interest and not very ‘easy on the eye’, 2 or 3 PV panels on each, so the developer could trim back of insulation and boost the SAP by cheating, as the cheaper option to facilitate, and garages you couldn’t get a car into if it was tipped on its side = parking on streets / mayhem. The client had to do all sort of things to the house to please the public, including a faux chimney breast (on a PH!); the list went on……just an absolute piss take. Double standards tossers, and the fact it’s ultimately down to one individual to decide is just ridiculous.

Asbestos risk in hand, then just over-skim it. Don’t even dream about buying some filler in a tub and DIY’ing it, you’ll be looking for a cyanide pill half way into the job if you do and your arms will be hanging off before you even begin sanding. The dust and mess from this will be horrendous and right through the house. Persist with finding a plasterer, and all they should be doing is asking you for some staging or scaff tower on wheels, so they can do the job properly. Clean, quick, and one sitting. You just use a 4” scraper to knock all the highest ‘snots’ of Artex off, and then it’s a lathering of neat PVA and leave that to dry. If you want to save money, and attract a plasterer a little easier, do this first. Realistically, it’s an hour or so for a spread to just do this themselves, so pick your battle. Then the plasterer will neat PVA it again and lay straight on to the wet PVA with one set of skim to dub it all out. If it’s been scraped throughly then 2 sets would be enough, but if really lumpy then I finish that with a sponge float and then leave to stiffen up, and then 2 sets over that. Find a good spread, ditch the idea of over-boarding as it’s not as good a job and will be more expensive too (cost of boards, labour to install, and ceiling will still need to be heavily scraped back to board over anyways!).

Thanks for the great replies and thanks for clarification of sarking. Lead that split is original as per house built in 1989 and south facing no more than 1.5m or I think & one piece. Valleys above extension over garage are much longer but are fibreglass valleys, again in lengths - cant recall what length...but was a kit from well known builders merchant at the time so I guess ok. These valleys themselves are not leaking but I do see signs of damp on sarking/membrane so water getting in somewhere over the years and in this constant rain....so plans to replace. As I mentioned .....just got it into my head now to replace all with Lead on top of Classicbond as I want belts and braces.....do it once and forget it for rest of my life anyhow. Thanks again. Kind Regards

Got felt up a lot.

Not for long though, even they could see through you

SWMBO away . If another ‘ box ‘ appeared in IT cupboard she would not notice 😉

I do have a legacy UFH manifold controller with room sensors. It's connected to heat pump, a simple standalone timer to immersion, and standalone PIR sensors to various outside lights. The other automation I have is related to battery, but that is via the GivEnergy portal to control charge times. Home assistant is used but as simple monitoring tool, it has 2 automations, one to collect solar forecast, the other to tell me if PV generated is behind forecast, so I can check to make sure nothing has tripped off or panels aren't dirty. Nothing that actually matters if they don't work.

Kitchen roll for big boys

Bad timing. Gonna need to attract VC funding or find a mortgage for your project

I read recently that openAI said 99% use ChatGPT as a toy . Without spending a fortune on say Claude tokens chat gives the best of both worlds for me ; creativity and technical. It stuns me that after the internet and now LLM that people just don’t leverage the capabilities they have access to . Still as you say depends what layer you are at on the onion …

I'll certainly report back if I hear anything. It is perhaps only fair to post the other schematic from the manual which depict double pole MCBs and no link. I thought I was asking an easy question.

Are you using stainless steel fasteners or structural elements? Are you in a high chlorine area (directly next to or on the sea)? Are these elements exposed to a salt spray or chlorinated air atmosphere? Do you have these fasteners or structural elements exposed to above ambient temperature conditions? If you answer no to all the above - no issues. If you answer yes to all of the above, you have issues to address. Stainless steel has zero place for structural elements or fasteners in almost all situations.

I spy a huge box of tissues on the right... 😉

I have scraped those off pretty well in the past with a scraper but ... I believe people are concerned about the asbestos risk these days.

Thermostat is automation car lights come on when dark it’s everywhere - just don’t think of it . Time to take it up from HA doing a lot ( and working surprisingly well ) . Local LLM gold standard 💪