nest 3rd gen

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...

Hello, I’m looking for some help with a 3rd gen nest install. I have done quite a bit of research, but I’m yet to find the answer. I don’t profess to know to allot about these but I’m sure someone can help me pretty quickly and maybe help others in the future by doing so. From what I’ve...

I have a danfoss hsa3 with 3 way valve. In the last month it has stopped functioning correctly. Now when CH is called only the motor winds, clicks the midway micro switch briefly then clicks back slightly past the switch turning it off again. If HW and CH are called then it’s both work. HW...

Hi All, I'm looking to replace my Drayton Tempus Six controller with the Nest Heatwave but I'm unsure of the wiring - can anyone help please? Attached photo is my current wiring. Thanks

Hi - trying to replace my British Gas UP2 with Nest 3rd Gen Thermostat. Picture of UP2 wiring: Image-2 by Lch posted 29 Sep 2018 at 4:30 PM Did the following configuration: UP2 'N' (blue) goes to Nest 'N' UP2 'L' (red) goes to Nest 'L' UP2 'Ground' (yellow/green) goes to Nest 'Ground' UP2 '3'...

Hi all, I just bought a house and noticed the central heating wiring was a bit of a mess. I bought a Nest 3rd gen and thought it would be worth trying to sort it whilst fitting it into my new house - everything was wired straight into the old Honeywell ST7100 without any sort of junction box...

Hi All, I’m having some building work done and plan to swap my Honeywell ST699 to a nest thermostat following the work. One question I have is regarding the room stat I have in my lounge. Is this needed following the nest installation? If I was to disconnect the room stat now before I install...

Hi all, I am moving into a new home and wanted to install the Nest. I looked at the wiring to the Drayton reciever which seems simple enough, also wiring from the Glow worm boiler. I have the Neutral and Live coming from a fused switch and then 1 and 3 coming from the boiler. My assumption is...

Hello - I'm a newbie on the site, and I've seen that folk are pretty helpful so thought I'd make my first post. I bought a Nest 3G thermostat and am looking to have it installed. I'm getting quotes for £100 locally and want to see if I can do it myself first. I have already taken a look at...

Guys, I was really hoping someone can help me with this please. I have recently replaced a Drayton 7 with a nest 3r gen thermostat. I have used the plan wiring it worked fine this morning. When I then replaced the satchwell thermostat in the front room with the nest it stopped working. Below...

So there I was I planned everything in advanced for my father's home. He sent me all the details of our current boiler and heating system and I was convinced that it was a y plan system because i have a 3 port valve that says "y plan". I arrive to do the job and I see this silly wire set up. Why...

Hi, I have just moved in to a new build home and am thinking about replacing the thermostats with Nest 3rd Gen. The property is Gas and has instant hot water. The house is zoned, upstairs and downstairs with a thermostat in each zone. Boiler = Ideal Logic Combi c30 Programmer = Danfoss FP975...