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I've owned my house for a few years and lets just say whoever built it had some poor workmanship. anyway the point is, i have underfloor heating throughout my downstairs in separate loops. at the end of my living room is a walk in cupboard under a mezzanine. in the corner of this walk in...

ah yes sorry wording , i meant my setup not set up. looking again i'm pretty sure i have to use the end switch of the valve to start the boiler there.

thanks stem, yeah I just copied and pasted them so they were all similar, mirrored one as you said, I'm fine with the nest terminals and fitting so just omitted them. the things I mostly wanted to check were: 1. I could simply use the switched live from the last nest on the hot water like in...

Thank you, here's roughly my setup. Does everything look ok here?

Hi all, I've got my UH4 setup with nest thermostats for my UFH zones, the hot water is on a timer. the nest supports hot water too so I was wondering if it was possible to use zone 4's nest thermostat for the Zone And the hot water? see attached for the wiring diagram of the uh4

It was the capacitor. working great now cheers guys!

It doesn't run every time no, sometimes it just buzzes and the second or third attempt it usually starts up, last night i tried 4 or 5 times with no luck, which is the worst it's been. I'll check the capacitance and have a look at the pump too.

Ah thanks! my mistake

Thanks guys, the flue isn't a balanced flue, it's a vertical chimney type. the engineer is there today having a look at it. When i get home if it's still not working i will test the air tube myself Then i might call an engineer and describe what you guys have said. Thank you, will update...

When I bought my house last year the central heating system would cut off constantly at the boiler (lockout light would be on) the setup is Oil boiler camray 5 65/90 Burner Riello RDB I had the boiler serviced and it seemed fine to start with, the problem was gone. Then as the weeks go by it...

nope they left everything unsecured in the boxes though and these just came out while the electrician was working on it. i took a photo with all the tags secured etc. sorry i realised i made it sound like they left the cables out, they left them unsecured and as the electrician started to work...

Well the electric car charger has been installed and that's all good but just when you think the saga is over there's one last little niggle. not really an issue but this is how the dno left my cutout etc..... (unsecured wires, that just came out with no effort)

I've connected up the earth into the consumer unit. inside the consumer unit I've put the earth into earth 16. thanks again for all your help guys if there's anything i did wrong or could even be a bit better let me know and i'll make it perfect. Cheers guys

Thanks, will keep that in mind the people on the phone were really helpful, it was more the engineer who came out, while his mate was fiddling with it he was telling me how he hates when he gets called out like this and its clearly pme etc etc then he took the reading and said that it was fine...

They came out because I called them again and sent them a photo of the installation showing there was no earth, they didn't know if it was pme or not so sent someone The annoying thing is uk power networks (Dno) seemed quite annoyed that I'd been suggested to call them and they were frustrated...

Just an update for you guys, The DNO came out and had one look and said it was pme and took a reading from source of 0.33 ohms. they were quite annoyed that the guy installing it hadn't taken a reading from the consumer unit and also that he'd told me to ring them. the earthing to the pipe...

the worst part it, the house was renovated 15 years ago, so i assume this was all done then... ok so forget the dno, get an electrician in? what should i ask him to do exactly and how much very roughly (hertfordshire) just so i know.

yep that's all I can see

the 16mm earth goes up behind the consumer unit and in. the flex cable is a great touch i know. whoever did it obviously knew the earth was ****

https://imgur.com/a/stKBj here are the images as requested, it's quite tight under there so some are a bit close. i can take more though