thermostat

  1. Pretty Mouth

    Immersion thermostat with separate cutout

    Have just got back from a call out, where the clients' immersion had stopped working. The problem is the separate thermal safety cutout has failed open circuit, and cannot be reset. It is very similar to the setup in this youtube vid: I would like to replace the thermostat with one with an...
  2. S

    Trying to set up thermostat

    THIS IS FOR ELECTRICAL NEWS ONLY
  3. A

    Help wiring new thermostat (UK)

    Hello, I have never done any electrical wiring myself, but I think I should be able to do this with some kind advise from you. I would like to replace my traditional thermostat with a programmable Drayton. The gas central heater is a combi boiler (Worcester). When I opened the current thermostat...
  4. R

    Horstmann Thermostat

    Hello all, I just moved in to a new flat and it came with this beauty. I have absolutely no idea how to operate it, though and there’s no manual anywhere to be found. The boiler is placed behind a bed so it’s not easy to access on a daily basis. I think I can programme it if I spend enough time...
  5. J

    240v Single Pole baseboard heater - thermostat wiring

    Im a DIY novice. I have changed central AC thermostat, light fixtures, switches etc. This has me stumped. I have a 240v single pole baseboard heater with an old mercury thermostat. I would like to replace that thermostat with a Honeywell TL8130A. Question 1 - Can someone explain the wiring to...
    • JDLang76
    • Thread
    • 240v baseboard heater pole screwfix single single pole thermostat wiring
    • Replies: 4
    • Forum: UK Electrical Forum
  6. K

    what causes loss of 24 VAC at the thermostat (and furnace) ?

    I replaced a very old thermostat, that still uses mercury for ON / OFF with a Honeywell digital thermostat. The only issue with this old thermostat is it does not turn off the fan automatically after the gas furnace is OFF when room temperature reaches the setpoint. The connection appears to be...
  7. T

    Should the hot wire be attached to the thermostat controller or the heating element terminals?

    The electrical cord on my Holmes Ceramic Heater (HCH-4051) frayed at the entry point to the heater and while removing the frayed cord, I forgot to pair (mark) the wires on both sides of the enclosure before snipping the cord. Upon inspection, I determined one wire from the electrical cord went...
    • Thaddeus
    • Thread
    • attached controller element heating screwfix terminals thermostat wire
    • Replies: 2
    • Forum: UK Electrical Forum
  8. E

    Changing honeywell thermostat

    Hi, so I'm looking at changing my thermostat from a honeywell manual to a honeywell DT90E digital thermostat and I was wondering if you could help me with where the wires should go please. First picture is the wiring of my current thermostat and the second picture is the instructions for the new...
  9. J

    Nest thermostat E install help?

    Need help with what wires go we’re? I believe I only need the com and no but need help as to what wires I need to use. Thanks in advance, john
  10. A

    How do I fit a digital thermostat?

    Hi everyone I am hoping someone can offer me some advice. I would like to get a digital thermostat (something like a Nest, but I am open to suggestions on this). However, I am a little unsure on how I would fit it. Does it go in place of the digital thermostat (Drayton, in picture 1) or the...
  11. R

    Open source thermostat for electric underfloor heating?

    I'm getting started on rehabbing my house and I want to install an electric underfloor heating system that I can eventually control through an open source home automation system. As I understand it, most thermostats are not compatible with electric underfloor heating because for electric...
  12. R

    Baseboard Thermostats: How do I determine the power out wires to a second thermostat?

    I need some help with a 240V baseboard heater problem... I bought two smart thermostats for my home. I installed the first one and it powered on as soon as I flipped the breaker back on. Turned the breaker back off, and installed the second one. Flipped the breaker on and it worked too - yay...
  13. S

    Nest Thermostat 3rd gen

    Hi, I am installing a nest thermostat 3rd generation. It is a conventional boiler with only 2 pipes going down. Pic attached. It’s controlled by a programmer upstairs and a thermostat in the hall. I’ve taken the old programmer off. And I have these wires. Pic attached. I wired the heatlink...
  14. D

    2 port valve no hot water nest thermostat

    I have a y plan system with an additional two port valve because i the hot water water tank to unvented cyclinder, installed a nest thermostat but with the two port valve connected hot water doesnt work, when removed and it then works. How can i include the two port valve the system amd...
  15. S

    Thermostat Wiring

    Hi everyone, wonder if someone can guide me on this please? I bought a Tado to replace a Honeywell T6360B but stupidly, i forgot to take a photo of the wiring before taking it off the wall. I then (second act of stupidity) followed a YouTube video which told me where i thought the wires should...
  16. K

    Help wiring Honeywell DT2 thermostat

    Hi all I've purchased the Honeywell DT2 digital Thermostat to replace my old analogue honeywell one. I have a brown (live), blue (neutral) and earth. I have connected the Live to A on the Thermostat and the neutral to B. The thermostat clicks and kicks in but doesn't turn my boiler on. I've...
  17. S

    Help needed wiring up WiFi thermostat.

    I’ve had a look at the wiring but it has got me confused. I normally undertake DIY jobs myself but this has got me stumped. My original wiring, I have: Red L Yellow SL Earth Blue (not connected). For my new thermostat, it’s got: L N N1 L1 C1&2 any advice would be great.
  18. S

    How easy is it to install a Nest Thermostat?

    Hi all, I've just moved house, and have found that the new place has a more traditional thermostat than my previous Hive setup. I'm aiming to replace the existing Potterton Mini Minder E and British Gas RS1 for a Google Nest Thermostat. I'm in the 'plan and investigate' phase of thinking...
  19. W

    Imit dual thermostat wiring firebird popular 70

    Hi guys hope you can help new replacement thermostat on oil boiler old one was firebird that was faulty this is the replacement part they sent. I havent got a clue how to go about wiring it up from this diagram.living in rural wales its pretty tricky getting hold of a electrician hope...
  20. D

    Wiring nest thermostat, I'm missing something obvious here!

    I've had a look at the likes of the following: In summary - run a 5 core from viessman boiler to a nest heatlink. Live and neutral to power it, then 2 cores for the control of it (plus earth). All good, but I can't see a mains out from my boiler? And it matches the board on that YouTube video...
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