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thermostat

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  1. P

    I’m thinking of switching to a Hive 2 thermostat not sure it will work on my system

    Hi I’m thinking of switching to a Hive 2 thermostat ….. I currently have a very old SUNVIC TLX thermostat which from what I can work out is only connected to the oil central heating circulating pump which it turns on and off.. There is also a thermostat on the electric hot water cylinder...
  2. A

    Nest 3G wiring help

    Hi all, this is my first post so please be kind. I installed a Nest thermostat a few months ago I have a gravity fed system powered by a Baxi Bermuda Back Bolier, I have a Honeywell 4043 2 port valve, I based the insatallation around a c plan as the wiring appeared to follow this logic although...
  3. M

    Advice 1 Wireless Thermostat To Control 2 Receivers

    Having to pick up from where a previous electrician has done a runner on a new build. Underfloor heating system installed with 2 manifolds 1 upstairs, 1 downstairs. Previous electrician has put in a cable from the upstairs manifold and pump back to boiler, but has not put one in for the...
  4. H

    Wireless Programmer Advice

    My mates just been on, his combi boiler isn't working with the timer so he's asked me to install a separate unit. First of all is this even possible, and second can anyone recommend a budget programmer that would do it. Think it would need to be wireless programmer unit with a receiver at the...
  5. Startinez

    Central Heating system reaching temperature & shutting down

    Evening all, My sister is having a bit of trouble with her CHS at her new house at the moment. She informs me that when it gets to temperature it's knocking off the heating as well as the hot water. I've not worked on any heating system personally but I said I'd go over and check out the...
  6. R

    Connecting nest thermostat to valiant eco tec pro 28

    Afternoon all, Just wanted some clarification about connecting nest to a valiant eco tec pro 28 boiler. They way I have read the installation manual is that you take a l/n 230v to l/n on heatlink . Then terminals 2 and 3 which are the common and call for heat are wired to the rt230v . The link...
  7. N

    Thermostat timer settings

    I have inherited a fully working underfloor heating system, but can't work out the instructions for the timer that controls the thermostat! http://www.swegonhomesolutions.dk/Global/PDFs%20Archive/Air%20handling%20units/Compact%20Air%20(-2007)/_en/CACZ05.pdf I followed the instructions...
  8. P

    Honeywell evohome and megaflow

    hi guys, just wired up a Honeywell evo crontroller with a relay for the heating, a tank stat and a relay for the hot water, I managed to get it working after a lot of messing around, the problem is it's a megaflow hot water tank and I have disconnected the megaflow tank stat which has a overheat...
  9. P

    Honeywell wireless stat DT92E

    hi guys, customer has no thermostat for his heating so he brought a Honeywell dt92e. I am trying to install it but can't link it up with the programmer (2 channel Drayton) I have wired the stat up with a perminant live and it fires the boiler. But I can't get it to work properly with a...
  10. O

    Installing digital thermostat

    Hey fellas, I've bought a digital thermostat to replace and old manual honeywell that's in a bit of a bad way. I've open both up to check the wiring but the new digital doesnt have an earth. I don't want to start messing with them until I'm sure where it should be placed. I've attached some...
  11. R

    Drayton digistat RF3 installation

    Hi, Since getting back into the trade a few years back have installed controllers for boilers with room stats etc & the odd new S plan system - infrequently & admit I am not well versed in heating controls though can follow a circuit diagram! Customer has asked me to install a Drayton digistat...
  12. 123

    Heating: Y-plan Cylinder Thermostat Installation And Replacement

    123 submitted a new resource: Heating: Y-plan cylinder thermostat installation and replacement - Heating: Y-plan cylinder thermostat installation and replacement Read more about this resource...
  13. M

    Wiring A Bosch Combi Boiler

    Hi to all I need a bit of help please I hate wiring for heating but it's for my mate as the plumber hasn't sorted it Right he has got a new Bosch combi boiler and with that a linked in unvented cylinder I have no idea really how to wire it up and my mat has got both hives one for just combi...
  14. M

    Nest 3rd Gen Thermostat

    Hi I have a Nest 3rd Gen Thermostat and am wanting to replace my old Danfoss T9000. I have remove the Danfoss from the wall however I have 4 Live and 3 Neutral wires plugged into that and can't work out where why or where they are supposed to go. Has anyone had anything similar or know what...
  15. B

    Immersuns causing faults???

    I have had x3 faults appear recently on plumbing/electrical systems to which I have fitted Immersun: - A Cotherm immersion on a Megaflow cylinder went open circuit after about 2 years of Immersun use. Needed to be drained and new immersion fitted. - A Cotherm immersion on an Albion cylinder...
  16. D

    Under Floor Heating thermostat - Inside or Outside the Bathroom?

    Can someone with an understanding of the Regs help me with. I have had two electricians price up a job to install underfloor heating matts in my bathroom. One told me it is ok to have the thermostat and fuse spur in the bathroom and the other said it needs to be outside the bathroom. Ideally I...
  17. J

    Iboost and immersion heater thermostat

    Hi All, more by way of a query really, we had an Iboost (immersion heater proportional controller for diverting excess solar power) installed when our panels were put in last october and the thermostat recently failed on the immersion heater - in such as way as the Iboost keeps providing...
  18. A

    Install new R F Thermostat reciever.

    Hello I'm new to the forum and this is my first request for some help and advice please. I have a present a manual Honeywell room thermostat.. i am wanting to change this for a RF thermostat and reciever as I'm disabled and will save me having to go into another room to turn on the heating as...
  19. M

    Honeywell Thermostat Upgrade

    I - I am new here and tried a previous post by adding some attachments = that dont seem to have worked. My issue - no doubt. But I will try this once more if you could help please. I am hoping to replace an old thermostat with a new digital version and need help with the wiring please. If...
  20. M

    Thermostat Wiring (Honeywell)

    Hi All - Some advice please on replacing Thermostat and Wiring. System - Megaflo Water and Heating - Installed 2007. Original Thermostat - Dial type - Honeywell T6360B Wire Connections 3 BROWN Terminal 1 BLUE Terminal 2 BLACK Terminal 3 Above Thermostat replaced with Honeywell CM900 (Digital...

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