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thermostat

  1. T

    Hot water too hot, changed element and thermostat

    hot water tank water too hot, i have replaced the thermostat and element but still the same issue. Th element is housed in a 4" section of pipe fed from the base of the tank to to top of the tank. Any help appreciated. Any advice welcome, Tony H
  2. F

    Wireless Thermostat upgrade

    Hi all, I have a potterton promax combi boiler with a very basic Neomitis wireless thermostat. If I upgrade to a programmable Neomitis thermostat what are the chances it will work with the existing receiver - I’ve no idea what receiver it is or where it is but it’s currently working.
  3. J

    Worcester Bosch 30Si new room thermostat install

    I've got a Worcester Bosch Greenstar 30Si combi boiler and I'm trying to replace the room thermostat which has a faulty display. The faulty thermostat is a DT10RF optimiser which is discontinued so I purchased a Comfort 2 RF which is supposed to be the equivalent replacement. It should be a...
  4. S

    Room thermostat options

    I have a Worcester Greenstar 30i ErP boiler with a British Gas RS2 wired room thermostat. This is what I'd like to achieve I would like, if possible, to change the room thermostat to one that allows two different temperature settings i.e., a lower nighttime setting. Non wireless/smart as the...
  5. T

    EHE0200361 Thermostat Binding Assistance

    Afternoon All, I have a Center EHE0200361 Wireless Transmitter that appears to have lost the binding to the relay box on the wall. I have a flashing red light on the relay box and the TX isn't sending information to the boiler. How do I re-bind this transmitter - I can find instructions for most...
  6. N

    Timer and Thermostat Update

    Hi all, I have a mechanical timer (5 wire not including ground) by the boiler for heating & water and a thermostat in the living room. The timer keeps missing switches so not coming on/off automatically. I could replace it like for like but I'm considering removing it and changing the...
  7. zack6600

    How to replace thermostat cartridge

    Hi Folks, Need your advice on how to access a thermostat cartridge to fix/replace. Please see pics below. I have manged to to get the main shower control cartridge out as it is leaking badly. But now need to sort the thermostat/mixer out now as very stiff and difficult to turn to cold. The...
  8. J

    Boiler doesn’t want to listen to (Hive) Thermostat

    Hi - this is driving me nuts and I can’t figure it out so any thoughts welcome. The hive receiver at the boiler is correctly receiving a signal from the thermostat to turn the heating on - but then… nothing! This definitely isn’t a hive communication issue given (a) the hot water via hives...
  9. B

    Which thermostat/receiver can I use for my Vokera easi-heat + CI

    Hi all, So I have a Vokera easi-heat+ci with the thermostat that comes with it, the thermostat and receiver are useless, and keeps disconnecting, is there a thermostat that will directly replace the old one IE plug and play type replacement. Thank you for any help in advance.
  10. T

    How to pair a Danfoss TP5000 si thermostat

    Which buttons do I press to pair a wireless Danfoss TP5000 si thermostat with its receiver? The receiver is a Danfoss RX1, with a PROG button and a CH1 button. The manual doesn't mention pairing.
  11. H

    tado wireless smart thermostat v3+ and viessman 100-W installation

    I have a Viessmann 100-w four pipe system boiler controlled by a Potterton EP2001. I have bought a Tado smart thermostat starter kit v3+ but can't find out how to wire it. I have seen mention of using a Tado extension kit but the Tado website says: Extension Kit The Extension Kit performs a...
  12. D

    Replacement thermostat cover

    Hi guys,, I am trying to find a replacement thermostat cover for my very old system.. I have got the LANDIS & STAEFA RAD1.N.. But I cannot find the exact replacemen,,any one got any idea what I need please…
  13. R

    Thermowatt thermostat

    I have a thermowatt RTS-3 red immersion. I would like to replace the thermostat which is red can I replace it with a higher temperature thermostat.
  14. A

    Thermostat ticking very loud. What can I do? Ok

    My thermostat ticks very loud, what can I do?
  15. P

    The HWC Mystery - only reaches 50c despite a tested thermostat...

    Background - One morning about two weeks ago I found we had hot water in the cold water tank, so I ran off the cold (now hot) water and let the cold tank refill to try and diagnose the reason. But the cold tank has stayed cold ever since after that with nothing coming back from the hot cylinder...
  16. T

    Thermostat not firing up boiler, Salus/Greenstar

    Hi! I'm wondering if anyone can help me get my radiators on :) My Salus ST620WBC ran out of battery after ticking over nicely for years. Got it back on OK .... but now the 'reciever' on the boiler (a Worchester Combi 30si) is not working. It was left with no signal for a day yesterday. I got...
  17. 6

    Testing a Type TSR thermostat

    Hi all, I am looking for some advice to test the correct operation of a TSR thermostat for an immersion water heater. In the past with the old type of thermostats I would test for continuity between the live and neutral (when disconnected). Is this the same procedure for the the Type TSR...
  18. J

    Replacing a Honeywell T40 thermostat with a Honeywell DT90e

    Hi I'm replacing my old dial thermostat with a digital The wires going in from left to right are Earth Blue 2x Black Brown When electrically tested none are live with thermostat off Research on this and other sites suggest 2x Black into B Brown into A Tie off and isolate Green/Yellow and Blue...
  19. G

    Recommended smart thermostat/controller for ATAG combi (ATAG or Tado)

    Hi all I'm considering getting an ATAG IC Economiser (combi), and to take advantage of the 14 year warranty I need to get one of 2 smart controllers: ATAG One Zone Tado v3+ An annoyance about the Tado is that the UK version doesn't support OpenTherm (unlike the EU model), but this is...
  20. S

    Honeywell thermostat replacement

    I need to replace our Honeywell CM721, I believe the modern replacements would be either Honeywell T3R or T4R, is this correct and would the receiver also need replacing or would the T's mate up to my original Honeywell receiver?

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