nest 3rd gen

Hi I’ve bought a new build (I know!) and it has two heating zones controlled by ESRPT5 thermostats. the motor valves are in a cupboard upstairs wired into a white box on the wall. I opened the box today to look at the wiring for moving to nest and found this...

I decided to get a Nest 3rd Gen (Learning Thermostat) after reading the forums on here. I'm in a rental property with no thermostat and I want to save money on heating, and I figured I could probably take this with me if I move (I also like tech). I read this forum...

First post for me and chose to ask here as you seem to be a helpful bunch of people with queries like mine. Here's the state of play... 1. CH and HW was controlled with a timer. S Plan with HW tank. 2. I installed the Nest based on several days of research, tracing wiring and input from...

Hi there I am installing a new 3rd gen Nest Thermostate which is replacing our old siemens RDE100.1 wireless one. On the wall the old seimens is has connectors that fit into slot on the wall. I have no idea what the zones are so i can't find which slot they go into on the nest. Can anyone...

Hi, I have a problem figuring out how to wire up my nest thermostat. I have a Honeywell cm907. And I want to replace it with the nest thermostat v3 This is my wiring and my heating system. How do I know if my nest thermostat is compatible?

Hi We have just had a new boiler installed but the Nest is not working. I don't think its been wired in correctly. Please could someone check the pictures uploaded and let me know. Thanks in advance for any help.

Hi all, I have been trawling the internet trying to get some information on how to connect a nest to my new boiler, i live in Spain and the instructions for the boiler don't seem to be available in English... Baxi didn't either bother to reply! as i understand it the Baxi have the usense ubit...

Hi All, After scouring the web I thought I was up to swapping my current system over to the Nest Learning Thermostat, once looking at my own wiring I'm lost again. None of the examples I've found online have wiring the same as mine. Currently have: Remeha Avanta Plus Boiler Danfoss ts715si...

We have a Baxi Ecoblue plus 24 combi boiler with the Baxi Ecoblue wireless thermostat (7212344) We have installed the nest 3rd gen thermostat. The boiler terminal blocks b1 and bk2 are connected to terminals 2 and 3 on the heat link. We have gone through the set up and all seems ok, there is a...

Hi all! I recently purchased a nest thermostat to accompany my gloworm ultimate 30c combi boiler. I originally wired the heat link to the drawing supplied with the instructions supplied with the nest but that didn’t seem to work and my boiler would only turn on once I went past the set limit...

Hi all, I'm looking for some advice on my self-installation of my NEST 3rd generation thermostat. I previously installed this set-up in my old property which had the same boiler and everything worked. Recently moved properties and set-up the nest again and my issues have begun... Just looking...

Just putting a nest into my system. And was wondering if (lr) demand. on my boiler needs connecting. I have connected the nest as per manual. And heating is coming on when needed just testing though and boost is not working for hw. I have schematics for all parts of the system if it's any help...

SOLUTION: The solution is the following: Could not have come up with it without the help of @ianmcd Hi all, I have had my boiler switched out from an very old (1990s) boiler to a Glow Worm 30c. I had a Nest configured on this by an official installer, I believe he used the Y Plan...

Good afternoon, I’ve trawled through a few of the threads on here but unfortunately not found an answer to my specific question, although I’ve definitely learned a lot! I’m looking to replace my existing Siemens RWB29 controller and Honeywell thermostat with a Nest Gen 3. All seems...

Hi, I have an Ideal Vogue C32 sited in the garage, with a iFlo Digistat +2 programmer and thermostat which lives in the hallway. I initially bought a Hive, and returned it and picked up a Nest instead because of its OpenTherm support. Can someone shed some light on the wiring, as well as...

Hello looking for help i have a y plan and guess link from boiler 4 to heatlink 3 and boiler 3 heatlink 2 y plan wired like diagram but pump is in boiler not stand alone. so my question is where do i connect zone valve orange wire as guess boiler is wired to 3 amp spur feed permanently and not...

Rolling up sleeves and installing the Nest thermostat we treated ourselves to for Christmas. Attached some screenshots of previous and new wiring to check before switching it back on. Anyone able to cast an eagle eye over these to make sure looks right? Black wire is boiler and White wire is...

this is what we have at the moment. in the utility room we have a ferrolli boiler a siemens rwb27 controller up stairs there is a seperate on off switch for an immersion which provides hot water only but when the siemens is switched on, it heats the house and also heats the water the...

Hi There, I wonder if you can give me some pointers here. I have a Next 3rd gen device replacing a Hive 1st gen. I have a boiler and hot water tank system. The Hive was controlling hot water and heating. Hive connections were as follows with descriptions from their wiring diagram: N - Blue...

Hi Guys Sparky here but I'm really scratching my head on this one. Alpha boiler which currently has both a wired Alpha stat (connected to BUS on the boiler) and a second RF Alpha thermostat connected to a relay board. The boiler also has a Honeywell 3 port valve actuator also connected to the...