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termostat

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  1. A

    How to wire a programmable thermostat

    Hi, I am wanting to change my old thermostat to a new programmable one (haven't chosen yet) but the problem is I only have a red and a black wire coming out of the old thermostat and all the new ones seem to need at least 3 wires. I do have a switch underneath the thermostat that turns a fuse on...
  2. S

    Wireless Thermostat

    Got a new one today, and the boiler ain't firing up now. Got power at the receiver as the light is one but doesn't seem to anything going out, even when I press the manual over-ride. Not got a multimeter on me so can't check for voltage going out. Maybe faulty receiver. Anything else it could be?
  3. O

    underfloor heating room thermostat

    Hey I've an issue with a rehau thermostat that is used for an underfloor heating system. This goes to a distribution controller and then to actuators x8 (however it seems to only actually run 2 of them) to allow the flow for the heated water :p anyways my question is are underfloor thermo's...
  4. H

    Thermostat not working!

    Firstly I'd like to say hello. (sorry i know there is a separate forum for this) I am currently only on my level three 2330 at the moment in night school and not yet working in the trade so haven't got the hands on or problem solving experience yet but have found reading these forums insightful...
  5. L

    suggestions on possible solution to problem caused by wireless thermostat and RCD

    Hi Guys Done a small job for a local heating engineer this morning just a simple FCU to the ring to supply the combi. Potential problem is this: The house suffered a powersurge last year and all credit on the meters was lost, the homeowner called out an electrician who also noticed the house...
  6. S

    Central Heating Controller/thermostat

    I was just wandering if anybody can help me. The controller to the combi has gone missing during a refurb all that is left is a 4c cable and the backplate. My question is that all the central heating controllers you see eg:siemens, honeywell ect will these be suitable or do i need to get a...
  7. J

    Thermostat

    Hello again....I have one question that is confusing me slightly I think im overthinking it?!) A mains operated room thermostat requires three conductors to enable it to operate correctly. Can you connect the thermostat to an existing two core and cpc cable and: a) Use the earth b) Use the...
  8. T

    Testing Immersion Heaters & Thermostats

    Hi Everyone Been asked to look at a immersion heater thats packed up, there are 2 heating elements one on ecconomy 7 and the other on normal. Could you please tell me how to test to find whats gone wrong. Would like to know how to test heating element and thermostat. Also is there a way of...
  9. K

    Thermostat not working

    Hi all, was called today to have a look at a faulty thermostat, however i havnt done any central heating systems before thereb were no drawing present was so was slightly baffled (quite embarssed tbh) anyway i tested for power they was power there, could the stat be faulty?? the guy said he...
  10. M

    wireless thermostats

    hi everyone. i need some advice, been asked by a customer with no room thermostat to add a wireless one to control room temp. the boiler has a control programmer (manufacturer is lifestyle) for independant hot water and radiators, how do you fit a wireless thermostat? do you need to replace...
  11. S

    Digital Thermostat

    Please could anybody recommend a accurate digital thermostat that would display the present temperature of the room and also obviously what I have set the boiler to fire up. My present old honeywell thermostat doesn't seem to be very accurate and could do with changing. Thanks
  12. O

    Fitting thermostat to boiler.

    Hi there. Stuck on a problem wiring up a boiler. customer wants a thermostat fitting and they have already bought one, it's a Salus RT200. It's to be fitted to a Vokera Linea 28 boiler. The boiler currently has a piece of loop cable fitted across the 2 thermostat connectors and the voltage...
  13. T

    Room Thermostat works in reverse

    Had a room thermostat installed a while back which has always worked in reverse ( turn in to coldest setting and clicks on ) is this just a transposed wiring issue? Have attached a jpg of the offending piece. Any suggestions Thanks TinMan
  14. T

    Wiring digistat 3+ thermostat

    I have an old thermostat with the following wiring, according to the diagram in the box: grey = neutral brown = live black = call yellow/green = earth = not connected The digistat 3+ that I am installing has three terminals: C, ON, OFF. OFF = not used ON = ? C = ? I will isolate and make...
  15. W

    combi and thermostat

    can someone tell me how the wiring is configured for a combi boiler, fused spur and a thermostat for the heating please. :confused:
  16. J

    Cooker thermostat problem

    How do I check a thermostat in an electric cooker to see that it is corectly working or not? One thing which concerns me greatly is when the oven reaches it's max temp setting, all the house electrics trip and go out, which has happened several times. Will this be a fault due to the...
  17. C

    Twin Thermostat Supply

    Hi, Is it normal to run a twin thermostat imersion tank off a single time clock & single supply? My simplistic thought, not being a heating engineer, is that 2 supplies would be required in case both thermostats were used at the same time?:(
  18. E

    Room thermostat

    Hi guys hope you can help me here. I have just finished a new heating system a old ladies bunglow. It is a friend of my dads that he looks after. anyway, she is 96 years old and is visually impaired, therefore the standard programmable room stat that i put in is no good for her. She needs...
  19. C

    Twin Immersion Thermostats

    Hi again, I tend not to get involved with heating systems, but I have just been on a site where they have had a new Hot water tank installed with 2x immersion thermostat heaters in the tank, each of these is rated at 3Kw. Each has a separate feed with its own spur. There is no economy 7 or...
  20. C

    Electric water heater - Thermostat help :) thanks

    Hello all again, im not sure if i should be posting this here or on a plumbing forum but sure you can let me know eh? My house is about 30years old, it has a electric water heater which has been there since day one. When i hit the water heater switch it lights up but the water will not heat...

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