nest 3rd generation

Planning to change from Salus RT500RF thermostat to nest . This is the wiring in the pic attached. Would you be able to tell me if this is a straight swap or am i missing any wires here. Thanks

So I fitted this yesterday and didn't get any heating - HW worked fine, open a tap and hot water, heatlink connected to thermostat by wifi and all leds ok. I followed this thread and wired exactly as shown -...

So I decided to swap my old Salus RT500RF thermostat with a new Nest gen 3 thermostat. I thought it would be case of swapping the boxes over but I’m not sure the wiring is correct or if I’ve got the wiring correct. The boiler it’s connected to is a Vokera by Riello easy heat plus 29 c The old...

Hello, I rarely post questions, as answers to other posts have always answered my question. I'm attempting to replace a Danfoss CP715 programmer with a Nest 3rd Gen. From: Danfoss CP715 Potterton Neatheat Profile Boiler Y Plan config (Honeywell F-5 3 port valve) gravity fed To: Nest 3rd...

Hi all, Looking to swap out my existing Salus RT500RF with Nest 3rd Generation. Combi boiler so only heating to worry about. Nest thermostat will be talking to HeatLink wirelessly only. Looking at the current wiring [see attached] I think it’s just a straight swap, but just wanted some...

Hi I have a 3rd gen Nest and Heat link that I want to install.. I have an old Potterton EP3000 which looks abit confusing, any help would be appreciative. Thanks in advance..

Hi all I would like to say firstly this is a wonderful and knowledgable community and forum. I learnt a lot on installing the Nest 3rd Gen and love how people get stuck in and help each other. I would say I’m 80% sure on all the cable and works involved at installing Nest 3rd Gen. the other...

Hello all i have the GLOWWORM FLEXICOM 30cx combination boiler, i have bought the Nest V3 smart thermostat , i have wired up the boiler and the thermostat as far as i know correctly from the diagram with the nest instructions This is the fused power switch to the boiler the white sheathed...

Hi I have a Vaillant ecoTec Pro 28 combi boiler which currently operates with a Honeywell wireless programmer and a Honeywell BDR 91 relay box. I'm thinking of replacing the Honeywell controls with a Nest 3rd Generation Thermostat and trying to determine whether or not i need to get it...

Hi I wondered if someone would be able to confirm my approach or advise alternatively. I have a Y-Plan system comprising: British Gas 330+ Boiler BG UP2 Controller BG WR1 Wireless Receiver & Stat I want to fit a 3rd Generation Nest and am pretty confident with the connections, but want to...

Hi, I would love to get advice on upgrading my Nest thermostat to the Nest version 3 that controls your HW apart from heating. I have the Nest that just controls your heating. My condensing boiler is the Glow-Worm Ultracom 38hxi and the Nest Heat link is connected to the boiler and within 1m...

Hi all, Just some advise on how to connect the nest 3rd Gen heat link to my vaillant ecotec plus 831 boiler. Would I remove the jumper/link between 3 & 4. connect number 3 on boiler to Heatlink L and a jumper/link to 2 on Heatlink also. connect number 4 on boiler to Heatlink 3. connect number...

Hi all First time post here, after searching the net for ever I have not been able to find any diagrams or instructions to help me replace my Honeywell gt699b thermostat with the Nest v3. Not sure what setup I have as there is a small boiler down stairs in the kitchen and a hot water tank...

Hello, Im new guys so go easy. I need a little help installing the Nest gen 3. See attached some photos. I want to link the nest stat to the nest learning box via T1 and T2 but I'm not sure where to pick up from? Red and yellow are the stat wires link to 2 and 3 brown and brown with yellow...

Evening All I wonder if anybody on this well informed forum can assist me as I'm left scratching my head as to what is happening with my Nest controls and boiler. We have had the above Heatpac S boiler installed and wanted to install a 3rd Gen Nest. I have wired it in as below (excuse the L...

Hi, I am replacing the above controller with a Nest controller but am having a bit of a problem working out how the system has been wired up. It works fine so rather than mess with it I am wondering whether I can just wire the Nest in from the current wiring points on the base board of the...

Hi All, I have recently taken delivery of a nest 3rd generation and fairly confident in installing it but for my own clarity can the following be confirmed for me. Currently have an alpha 28c boiler with the alpha receiver plumbed into it as below (attached) Now the wiring the diagram matches...

Hi, I'm trying to install a Nest Heat Link it to link to my Potterton Promax SL boiler, and worried I don't fully understand the wiring on the back of my old programmer! I figure it should be fairly straightforward to swap over from my old programmer to the Heat Link, from seeing similar...

HI I have a glow worm betacom 30c. I have no house thermostat im fed up with going in and out to the cold garage to turn heating on and off. had it serviced 3 weeks ago and my gas man wanted £145 to supply and fit a standard thermostat. Looking a buying a nest my parents have npower and they...

I posted this in the central heating and plumbing forum but someone suggested I post here. I am new to this site so please be gentle! I have just purchased a 3rd generation Nest and need to install to the following set up: • Vaillant ecoTech Plus 428 boiler • Drayton LP522 Programmer (pic 1) •...