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  1. sythai

    Nest Smokes (heat?)

    Hi Guys Just seeing if anyone knows for definite if Nest have a heat capability or not yet? Have a new build coming up which obviously needs smokes & heat ? And they have specified Nest throughout. I'm thinking not possible yet and doubt very much they'd be a way of linking into an Aico heat...
  2. M

    Blew The Fuse Connecting NEST to Mains

    Hello. Hopefully someone can help. My underfloor heating died recently (due to the heating mesh rather than the wiring) and I can't fix it without lifting the floor in the bathroom. So I have a useless control panel on the wall that I no longer can use and wanted to mount my Nest there...
  3. D

    Wiring a nest into combi boiler, job for a diy'er?

    Appreciate this might be a bit impossible to answer since you don't know how (in)competent I am, but for someone who can wire switches, light fittings, fcu, various common 'simple' bits, is wiring a nest thermostat into my combi boiler something I can do or is it a big no-no? As with any of my...
  4. C

    Google nest heatspot

    I am replacing my thermostat with this system it was an old Siemens one. It only had 2 wires connected. L and Y1. How do I connect this into the heat spot? Connections available are C MO FP OT1 OT2 Thanks.
  5. C

    Vokera linea 24 Nest install

    Hi all, I have a Nest stat, heatlink mounted and has a 4 way & earth connected with a separate 2 way connected. 2 way to go to wall stat T1 & T2 12v from the heatlink. Earth to earth Heatlink L to L on boiler Heatlink N to N on boiler Question is 2 & 3 on heatlink ( i think are supposed to...
  6. T

    Nest learning (3rd Gen) Wiring. Please help!

    Hi, I am located in Middle East and plan to install 2 of Nest Learning Thermostat (3rd Gen) on my Apartment. Current thermostat installed is HoneyWell which control Heating/Cooling and 3-Speed Fan (for exhaust vent?). I have attached the photos to show the actual wiring at the back of...
  7. C

    Nest learning thermostat

    Hi, I went to a job yesterday to install 2 x nest smart thermostats on an S plan system with 2 heating zones. when I took the cover off the wiring centre the cables from the central heating zones, cylinder stat and hot water were pre made plugs that clip into the circuit board as opposed to...
  8. J

    Nest (Gen 1) Install - Wiring Help

    Hello! I'm new so go easy! I have a Nest module (Gen 1) that I want to use to replace a Schneider Electric Thermostat TC303-3A2. I'm just not sure if: A - The Nest is even compatible with my current Air Conditioning system B - The wiring pictured below can be modified safely to host a Nest...
  9. I

    Nest heat link wiring help

    Hi Everyone, I have few electrical jobs to do for my client and one of them to fit Nest Thermostat 3d generation. I decided to give a go as I haven't done much wiring for heating system in the past. But willing to learn. The boiler is Glow worm Ultracom 15hxi. I thought i would need to simply...
  10. W

    Nest heat link

    Hi all! Im about to install a Nest 3rd Gen thermostat and was hoping members could offer some advice before I start. I have a Y plan CH system; boiler in the garage, timer and fused spur in the kitchen, CH thermostat in the hallway, and pump, wiring centre, and 3-way valve in the upstairs...
  11. M

    Turn on central heating when no wifi with Nest system ?

    Hi, My daughter's wifi has gone down, all of south west London Virgin users have no wifi for past 3 days due to someone cutting a cable. She has just moved into a house with Nest installed and is using underfloor heating to get heat. Does anyone know how to manually turn on the heating with...
  12. M

    Nest heat link wiring

    So I’ve bought a nest 3rd gen to add to my old valiant boiler.My brother is quite handy with electrical stuff and such so I asked his advice for wiring. He said this . From what I can tell the Nest Heat Link (controller) has identical wiring, so you’d just need to replicate the wiring that...
  13. S

    Nest voltage question on Transformer

    Hello all, I'm in the UK and I'm looking to fit a 'Hello Nest' Doorbell. In the setup instructions it includes the attached screen shot (nest-screenshot.png), asking what the Voltage and Power rating are on your transformer. My current doorbell is mains powered, (see other attached file...
  14. Y

    What cable is required for Nest HeatLink?

    What cable do I need to connect a Nest HeatLink to my boiler (Ideal Mexico)? A description would be useful, a link to an actual sales site even better. Nest customer service seemingly are unable to answer this question. Although they provide instructions in diagrammatic form for DIY...
  15. B

    Replacing NeoStat with Nest

    Hi, I'm just looking for some advice and info about how to replace our thermostats with Nest ones. My current setup is (images attached): 5 NeoStat v2 for 5 separate rooms in a small flat Underfloor heating from a district system Heatmiser UH8-N I'm not looking to do this work myself but...
  16. Midwest

    Nest in a bedroom

    In my property, I have an S Plan Plus CH system. The first floor zone is controlled via a low voltage programmable thermostat. The stat is made by Danfoss, and is quite frankly rubbish and needs replacing. The current position of the existing stat, is in the main bedroom which doesn’t have...
  17. EricMark

    Energenie TRV heads not following Nest.

    Seems intermittent, some times as it should when the Nest thermostat changes temperature the 4 linked TRV heads change with it, but some times they don't alter, not an issue when temperature is dropped but it is an issue when temperature is raised as the pump is sucking on closed valves. Easy...
  18. M

    UK Nest e thermostat wiring question

    Hi just bought a nest e thermostat . Ive included a picture of the wiring for the old thermostat and the connections for the new nest thermostat. I just want to make sure it’s compatible before I get someone to install it. Which wire goes to which connector for want of a better question ?
  19. EricMark

    Nest, mind of it's own, DHW.

    I have no cables into the airing cupboard so no tank thermostat, during the summer months the intention was to have 1/2 hour every other day with boiler on, which is enough to get hot water to wash hands, with both Sunday and Monday with 1/2 hour giving an extra boost on Monday. The boiler...
  20. A

    Domestic Am I allowed to fit a Nest thermostat myself?

    As per title really. I’m considering buying Nest thermostats, I am confident I can install it appropriately but I don’t know if legally I’m allowed to. No formal quals but experience in wiring (for audio, not power) radio/recording studios. The current situation... I have a new build property...
  21. J

    Nest Hello transformer/chime.

    Afternoon everyone. A customer has just purchased this video doorbell and asked me to fit to the existing chime, but It appears to be incompatible. I only have mains and push button connections. There is no access to the transformer terminals. Does anyone know of an all in one transformer/chime...
  22. A

    Nest heat link help please

    Could someone please help me on the wiring: I have oil central heating and am looking to remove my programmer and replace with a nest thermostat, just need help wiring the heat link. Please see attached pictures Thanks
  23. U

    Baxi Bermuda Inset 2 and Nest Gen2 controller?

    Hello people, This is my first post here. I'm just lookig for a bit of advice as to whether it's possible for me to instal a Nest Gen 2 heating controller with my existing (old) heating system. I currently have a Baxi Bermuda Inset 2 back boiler which is controlled by a Potterton EP2002...
  24. M

    Solar charging nest box camera & battery

    Hi Apologies if this is dealt with elsewhere, but I haven't seen anything. I'm fitting a new bird nesting box which contains a wireless camera. It will be attached to a battery which will in turn be attached to a solar panel. I'm hoping to avoid the need to constantly bring the battery in to...
  25. G

    polypipe underfloor heating, wifi vs NEST

    HI all, got a holiday let that wants to control heating from their home as people leave it on etc. setup is s plan upstairs HW and heating(rads) , with stat up there for heating downstairs two zoned UFH, bathroom and Lounge ive priced up the polypipe stuff, new center and stats and its...
  26. L

    Replace Menvier M12 with Nest Protect installation

    Hi, I am currently replacing 1 of 4 Menvier M12 with a Nest Protect and need some expert advice on the (old) wiring. I have a Menvier M12 with the following wiring: Black - 0v (neutral) Red - 12v (live) White/Green - tamper zone Blue - zone (interconnect) Yellow - fire As per the Nest Protect...
  27. P

    Domestic Timeclock to Nest System

    Happy Christmas/Holidays to all. Want to replace the below timeclock with a Nest. System uses an oil boiler and an immersion heater for the water. Heating fully controlled by existing timeclock, no thermostats. Current timeclock: Hive Diagram: Am I right in saying I will replace...
  28. H

    Nest 3rd Gen works... Somtimes (Due-tec Combi)

    Ive searched quite a bit for this problem but cant find anyone else having a similar experience. Installed a 3rd Gen Nest on a Due-tec Combi HE a Range boiler. It had no existing thermostat on it. It was controlled by a Multifit Integral 24 Hour Electro-Mechanical timer. Everything works great...
  29. K

    Nest Hello Doorbell help

    Hi, Just about to embark on installing a Nest Hello Doorbell. There isn't a doorbell at the moment (no door bell, no doorbell chime although during the renovation cat 6 cable has been laid ), I have got a 8v-24v transformer...
  30. Sean Hill

    Replacing an existing thermostat with the Nest

    Hi, I'm having a look at how to install the Nest (3rd gen) I'm I wanted to have a shot at it myself before calling in a sparky. I have a boiler (Ideal Classic) in the kitchen together with a programmer. The existing thermostat however I think gets it's supply from the wiring junction up in...
  31. R

    NEST install on Heatmiser

    Hi. Customer has a Heatmiser UH8 with only 4 heating zones been used. Controlled by the slimline thermostat. looking at replacing the thermostat for 4 NEST and I’m an after a wiring diagram for the installation or guidance on installing the heat links to the UH8. Each zone has + A1 A2 - Y and B
  32. R

    Nest. Urgent question

    Evening all. Need some help please. Trying to install nest in my house. So.....current set up is Combi boiler and Honeywell CM907 thermo/programmer. Honeywell has 3 core running to it. Brown wire in A terminal of Honeywell Grey wire in B terminal of Honeywell. Test shows that the grey wire...
  33. D

    Installing Nest 3rd Gen

    Hi all, I just installed the Nest 3rd gen into my new house, which was a bit of a mess - everything was wired straight into the old Honeywell ST7100 without any sort of junction box. It’s a Y-plan system with a (very old) Glow Worm 35F boiler, a Honeywell V4073A1039 valve and a UnitFive pump...
  34. S

    help installing nest. 3rd gen, zonal.

    hi, bought a nest term hoping it would be easy enough to install but what do you know, having a few issues i have 2 zones and hot water tank, but only installing one nest (for now) so wanted to replace current timer with heatlink. Took timer off wall and cant figure out what to do with wire 7...
  35. G

    Is Nest compatible with my wiring?

    Hi there. I'm hoping someone could advise if the wiring to my current thermostat means it will work with a Nest smart thermostat? It's currently a Honeywell T6360B1028. I've tried reading online, but the wiring to my thermostat doesn't match any of the diagrams I've seen online. Please can...
  36. Spunkywads26

    Is Nest a weather compensating system?

    As the title says........ I ask as a plumber/gas safe guy wants to fit a new Worcester/Bosch in my moms house and has said he is going to fit a Honeywell weather compensating controls system. However I would rather my mom have the Nest as it is really easy to use. The plumber guy then got a...
  37. CarlosMc

    Domestic Nest Hello Self Install Blown Transformer

    Hi All, Your head is probably melted with all the questions on Nest and Ring doorbells. I searched through the forum but couldnt find what I was looking for. Basically on the consumer unit I have already got a wired door bell transformer. This chap Technical Properties ST303 -...
  38. T

    Nest on a Glow Worm 30CXI Combi Boiler fitting

    I bought a Nest and think i know how to fit it but want to check. I have a Glow Worm 30CXI combi boiler so only need to connect the heating side of things up and not the water. I have located a pink and a light blue wire which appears to then connect to the wire which then links to the...
  39. K

    Nest Thermostat wiring issues

    ive fitted a nest thermostat to my CH system, which i believe to be a heat only system, but cannot get it to work off the wireless stat, it works on manual, and when in auto mode i can hear the Nest Heat link relay clicking on and off as i adjust the wireless stat but the heating doesn't come...
  40. S

    HEATER 2000W Control with NEST Thermostat

    Hi I have bought the following OIL-FILLED CONVECTOR HEATER 2000W Acova TAG-200-116-S Wall-Mounted Oil-Filled Convector Heater 2000W | Electric Radiators | - I want to control...
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