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thermostat

  1. R

    Water not hot after changing Room Thermostat

    HI All My room thermostat (Digistat 1) gave up the ghost in the summer so I replaced it with a Digistat+3 (same backplate) It was fine until recently (it had got colder!) when I noticed that the radiators were not as hot as they used to be and the hot water was not as hot For example: I can...
  2. T

    Can I use an alternative thermostat to Polypipe ufhprogb

    I have polypipe underfloor heating and been advised the thermostat needs replacing (blank screen after changing batteries etc). The thermostat advised is Polypipes ufhprogb - this seems out of date and so I wanted to know if I can use an alternative make / model instead or if it has to be this...
  3. thermostatguy

    Thermostat (manual, M30x1.5) does not fit on radiator (too large)

    Hi, I bought a M30x1.5 thermostat and was hoping to fit it onto the radiator (there is currently no thermostat attached), but it does not fit (the thermostat connector is too wide, see photos). Do I need an adapter or something, or a different thermostat? Thanks!
  4. S

    Is my thermostat set up normal.

    Hi guys. I moved into my house in the summer and have only just started to use the heating recently as the weather gets colder. The way my central heating is set up seems a little strange. I have a combi boiler that has the heating split into 2 zones with zone valves. Each zone controlled by...
  5. D

    IMIT CONTACT THERMOSTAT

    Has anyone else been having issues with the IMIT pipe stats recently? using contact 1 and 3 to regulate temperature on solid fuel boiler but I've had several of them turn on and just stay on even after the fire has gone out. Getting very frustrated at this stage
  6. bobster316

    replacement shower mixer valve thermostat

    Can anyone please advise which replacement shower mixer valve thermostat I need foe this shower control
  7. R

    Smart thermostat connection

    Hi all My combi boiler currently has a wireless thermostat could i just buy a smart thermostat to connect to my existing receiver or do i need a new receiver to work with a smart thermostat
  8. R

    Smart thermostat connectivity

    Can i just buy a smart thermostat to connect to my already installed receiver on my combi boiler or would i need to buy a new receiver
  9. E

    Thermostat not reaching the temperature which I have set.

    . . . Honeywell CM927 Thermostat Ethos 54C (Condensing Combination Boiler) I set the Thermostat to 26°C (79°F). The boiler fires up and heats the home to 22.5°C (72.5°F), and then it stops. * The thermostat shows me it is currently 22.5°C, but refuses to continue heating to 26°C. I just...
  10. C

    Vaillant VRC430 in lounge using VR81 as thermostat

    I have a vrc430 which is mounted in one room, near the boiler, but I want my vr81 to be the thermostat that controls the room temperature, and not the thermostat in the vrc430. How do I achieve that ? What setting should I set on the vrc430 between thermostat, modulation, or off .? thanks
  11. M

    Thermostat Not Dropping Quickly Enough

    Hi I live in elderly sheltered property and have nothing but trouble with thermostat. I’m a bit confused. When i put it on 19 degrees intuitively i would say that when it reaches 19 it would turn off the boiler. But it goes to 20 before the boiler switches off. You now have to wait for it to...
  12. C

    Vaillant VRT392f fault thermostat controller

    Our VRT 392F wire thermostat control is not working, it lights up and you can change Deutch to English but then you cannot do anything else. Water leaked into our circuit board on our boiler but we have had a new circuit board put in. I looked at the thermostat control, changed the batteries...
  13. southernlead

    Help with choosing smart thermostat

    Hello, I am trying to identify components in my central heating setup as a precursor to installing a smart thermostat and TRVs (looking at Tado, but open to other suggestions). My issue is I don't really understand what I'm looking at in terms of the components around my boiler and thermostat...
  14. M

    Wiring up a WR1 wireless thermostat

    Advice on how to Wiring up a WR1 wireless receiver to a Greenstar 25SI boiler Have LR > C on thermostat Ls > L on thermostat Ns > N on thermostat L > L 230 supply N > N 230 supply Receiver turns on call for heat receives green light comes on but boiler does nothing … reading online I’m...
  15. J

    CM927 Thermostat Accuracy

    Hi, First post and I hope its not a stupid question, we have a Baxi 105e combi connected up to a Honeywell CM927 and BRD91 which has been running quite happily for the past 10 years (with the exception of having to heat up the LCD over the toaster every few months as the LCD failed a couple of...
  16. R

    Thermostat problem help please

    Good morning, I wondered if someone could give me some help please. I have had a new boiler fitted and have a center thermostat but nearly every time I go to turn the heating on or off the screen goes blank. On the first one I had I had to completely reset the time date etc now I am onto the...
  17. J

    Honeywell programmer / wireless thermostat problem

    So I've used a wireless thermostat to activate my heating since installation, but it's just stopped working (Blank screen, no new battery's fixed fixed it) The wall mounted programmer screen flash's no signal, like it's searching for the wireless thermostat, I cannot turn the heating on at all...
  18. spagettilegs

    Help in choosing a geothermal thermostat

    I have a “Theben RAM 797” heating thermostat Which controls a geothermal heating system which needs to be replaced. It’s been there for about 20 years and I would like to use something a bit more modern which I can control remotely. I have had a look online at various thermostats I’m a bit...
  19. D

    Central heating programmer and thermostat issues

    Hi, We moved into our house last year and our current central heating set up is: Boiler: Vokera Mynute HE system boiler Thermostats: 2x Robus RRF10 analogue thermstats (one in hallway and one in master bedroom) Programmer: Anaglogue Flash Immermat Timer Clock. When we came into the house...
    • David Fernandez
    • Thread
    • central central heating heating thermostat
    • Replies: 2
    • Forum: Central Heating Forum
  20. H

    How to install a thermostat

    I have a very old thermostat in the hall and a very old programmer in the bedroom next to the hot water tank. I would like to install the Honeywell St9400c thermostat programmer in place of the old thermostat. will this work, as I wish to program everything from the Honeywell thermostat hot...

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