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thermostat

  1. Q

    Worcester MT10RF mechanical rf thermostat is broken all cogs fell out

    Hi I have a Worcester MT10RF mechanical rf thermostat and it is broken dropped and all cogs dislodged leaving me confused how they put together. I have sat there for 3 hours straight working it out and still can't get it together even left with a orange peace that I have no clue were it goes...
  2. M

    Smart TRV and room thermostat replacement

    Hi, A bit of background first I have a air source heat pump, downstairs is all underfloor heating and controlled by individual room thermostats. I am happy with this setup and can control this centrally (a heatmiser solution which I may add smarts to later). For hot water I have a simple...
  3. G

    Thermostat broken, boiler heating rads up constantly

    My valiant thermostat has broken (kids knocked off table and wiring inside stat became disconnected) now the boiler is constantly heating up the radiators and house. Any idea how to fix!
    • Gareth1982…!!!
    • Thread
    • boiler heating rads thermostat
    • Replies: 2
    • Forum: Boilers
  4. S

    Alpha boilers and nest thermostat

    I have no thermostat on my alpha evoke 28 boiler I bought a nest a0063 but not sure which wires go from where on boiler to where on my thermostat which are as follows Y1. Aircon (not got) G fan (not got) R power W1 heat C common Ao* heat pump My boiler has various various empty chambers
    • Skillfour
    • Thread
    • alpha boilers thermostat
    • Replies: 2
    • Forum: Boilers
  5. C

    Worcester 35 HE plus boiler/ tr2 thermostat controller replacement

    Ive moved into a house with a worcester greenstar 35 HE plus boiler in the garage. The TR2 thermostat controller is hanging loose on the wall in the living room, and is faulty. I want the TR2 replaced with a controller i can set a timer on, either digital or mechanical, the TR2 has three wires...
    • Catherine w
    • Thread
    • boiler plus replacement thermostat worcester
    • Replies: 2
    • Forum: Boilers
  6. M

    Replacing old thermostat for Nest

    Hi all, I want to replace my current thermostat with the Nest Thermostat, but wire labels don't match. My boiler is Worcester Greenstar 24i Junior combi boiler, which is on the back of the wall where the thermostat is. Photos here Another Nest Themorstat (3rd gen) question -...
  7. H

    is my boiler thermostat faulty?

    Hi I have an ancient Ideal E type boiler which is primitive but works fine. It has the original P0616 probe type stat ( Ranco?) which is probably nearly 40 years old and is the only temp control for the hot water and radiators as I do not have TRVs fitted So I have been turning the boiler stat...
  8. T

    Best direct replacement for old Landis & Staefa Room Thermostat

    We have a very old Landis & Staefa room thermostat which I would like to replace with a simple like for like model. I cant see a model number on this so just have this image. Can someone recommend a suitable replacement please?
  9. S

    Potterton Performa 30 HE and relay switching thermostat (Tado)

    I have now established that my boiler, a Baxi Potterton Performa 30 HE will only work in relay (on/off) mode. Looking at the wiring diagram below, which terminals would I connect to the new version of the extension box? Tado won't tell me. When I installed my first Tado system on an older...
  10. C

    What does the code Ou Er mean on EPH RFRP-OT thermostat

    What does the code Ou Er mean on EPH RFRP-OT thermostat?
  11. M

    Nest E Thermostat to replace ATAG One Controller

    Hello I wondered if anyone could advise me which cables go where, on the Heat Link for the Nest E Thermostat I have purchased. The two cables shown are from behind the ATAG One Controller. Thanks in advance
  12. gavdtra

    Thermostat on burner low but temp indivator much higher

    This thermoastat is much higher than the dial says. Correct.me if I'm wring but that doesn't seem right... It's been like that for days so it's not like I've just turned it down...
  13. A

    Recommendation for A Thermostat with OpenThrem, RF, and Wifi

    Hi, I looking for a thermostat for my Sime Brava One which implements the OpenTherm Protocol and has an RF between the thermostat and the boiler control unit. I prefer to have it with Wifi, but it's not a must. Thanks, AymanB.
  14. J

    Wireless thermostat cable type

    I have a Viessmann vitodens 100-w 30kw being controlled by a EPH CombiPack4 wireless thermostat. I need to move the receiver because it is struggling to communicate with the thermostat in the location I want to put it. Could someone advise on the cable required please? I can see that it's 4...
  15. F

    Thermostat replacement

    Boiler is a Worcester Boch Highflow 440 with a TR2 room thermostat. This is an old style bimetal stat and I want to replace it with a digital one, e.g. Honeywell DT90E1012 two wire. Is this going to be possible? I'm assuming that the current three wires are Live, Live Signal and Neutral and...
  16. S

    Replacing wireless thermostat

    Hi to you lovely plumbers & heating engineers, seeking advice on replacing a Flomasta wireless thermostat. I inherited it when I bought this house & it’s a bl**dy nightmare to program, heating coming on at all times, unable to easily change temperature for different times. My last heating bill...
  17. J

    To install pipe thermostat to prevent freezing?

    A few days ago the Bosch engineer came to house to check the built-in frost protection in my boiler, he said the built-in frost protection is only for boiler; I also should have installed a pipe frost protection or pipe thermostat, as the issue on the day was about built-in frost protection, now...
  18. J

    Grant vortex oil boiler thermostat temperature range

    I have a new Grant Vortex 15/26 oil boiler installed. It has a boiler thermostat with no numerical information, just a wedge graphic and covers about 1/3 of a turn. I wondered if anyone could give an indication of what the range of temperatures is likely to be (I don't want to set the boiler...
    • james63
    • Thread
    • boiler oil boiler thermostat
    • Replies: 8
    • Forum: Boilers
  19. M

    I need a hot water tank thermostat for hotter than normal temperatures

    I have a need for for a thermostat for a copper cylinder connected to solar power so I'm looking for an accurate thermostat which will allow me to store water at up to 90c ? I have tried a bog standard Honeywell and a couple of cheaper stats but none of them even work up to the advertised 80c...
  20. P

    Problem finding thermostat for Purmo radiator.

    I am having problems finding a thermostat for my radiator. The radiator is a Purmo radiator and is about 15 years old. I have tried two replacements but none have fitted.

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