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Hi guys Ok installed 1 x Nest today, Installed slightly different with just one 4 core going to boiler like original stat. Done this as can only get 1 cable through the gland into the boiler and had no other grommets etc.. So this is how it is installed: Seems to be working fine :) The only...

Here is the final tidied up a little and split over 2 terminals for L&N :)

Great, thanks for all your help also mate, Truly appreciated!

Yes sounds like a good plan, So the heat resistant 5 core 0.75mm flex is good for everything above? ie: from the fused switch on the wall, to boiler then out to everything else? Noticed some other posts on random forums, people saying use 1mm or 1.5mm etc for boiler connections. Surely .75mm...

Thanks for all your help Jackthom, You have made the impossible (for me) possible. A true gentleman! Thanks James

I took away the Nest earths on final design for the zones layout as not needed for Nest?

Thanks Ah yes I was thinking it would get crowded with 7 stuffed into 1 terminal as I was drawing it :) I was going to ask could I split L/N/E over 2 terminals with jumpers as there is 3 spare ones? so live would be 1 and 2 and neutral 3/4 etc.. ? Or as you say I could just link the nest boxes...

Thanks so much, I shall draw that up then upload :) James

Wondering can anyone suss this one out.. It's the final system I want to have with 3 x 2 port zone valves, also a honeywell 10way wiring box / junction box.. Here is the blank plan... and also the info on the zone valves I have... And this is from the zone valve manual: can anyone do a...

Ok mate :) Thanks

Lol ok.. round and round i go.. thanks Actually.. to be honest it's more electrics question.. it's about wiring up a system not plumbing it in for water.

Not sure how I managed to post this in the Electrics outside of UK forum but can a moderator please move this post to the normal UK electrics forum? Thanks +++++++++ no, its plumbing and heating +++++++++

Hi So would this be it? I was hoping to keep the earth cable as the future plan is to add a wiring junction box and 3 x 2 port valves and 2 more nests for them areas. Thanks

Thanks again :) I shall do another diagram to make sure we are all on the same boat (y) It's actually 5 core heat flex I have here.. got some 1.5mm and 0.75mm. Cheers

Hi mate Yes they are all right next to each other, Is heat resistant 0.75mm flex cable adequate or would it need to be more like 1.5mm flex? Cheers

Hello all Spent a while earlier popping off faceplates etc and this is exactly what i have on my current heating system.. obviously i'm no spark/plumber so please excuse the diagram, I would just like a little help to better understand why the system is wired this way. What confuses me...

Posted in wrong place, I moved it to electrics forum, //www.diynot.com/diy/threads/current-boiler-diagram-and-looking-to-go-nest.474104/ Thanks

Thanks very much John :)

Thanks for all the replies guys. So i ordered a 20a hager rcbo type c after the first couple of replies but now wondering should i have lol.. Little in depth for me the replies above, Once the new rcbo get shere i'll contact a sparky and ask him to test if it will be ok, what do i need to ask...

Hello all Wonder if anyone can shed any light on this situation. The problem is i have a Charnwood planer thicknesser the book say's it's: Motor ( induction) 3000w (4hp) 240v & requires a 16amp electric supply. This machine is in my attached garage that has it's own hager consumer unit, The CU...