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thermostat wiring

  1. J

    Baxi combi 105 HE - Swtichmaster SM300 upgrade to Salus RT510RF

    Hello everyone, I've got an issue with my current thermostat Swtichmaster SM300 when on it buzzes like hell and setting the timer is just terrible. I want to upgrade to a Salus RT510RF but I just wasn't too sure about all the wiring and wanted to double check. By the thermostat controller...
    • John34ssj
    • Thread
    • baxi 105 he boilder salus rt510rf thermostat thermostat wiring
    • Replies: 7
    • Forum: Electrics UK
  2. G

    Water underfloor heating advice

    Looking for advice on UFH as well as general heating system. We have made the choice to get water underfloor heating in the middle of our refurb works for the kitchen. Rather than placing PVC pipes in plastic castellated floor panels, we will have them routed between joists and on top of...
    • Goku
    • Thread
    • heating system wiring hive honeywell relay box thermostat wiring ufh underfloor heating water underfloor heating
    • Replies: 4
    • Forum: Plumbing and Central Heating
  3. L

    Replacing thermostat connected to a ehc-Fusion boiler

    The boiler's circuit board is unlabelled, but based on the current configuration hope someone can help check my deductions/proposal... At the moment: Programmer/Timer (Sunvic Select 107XL) N/L connected to its own fused spur power supply. 1/COM is connected with a Brown/Live cable to the...
  4. S

    Hive Hive Active Heating for a Potterton Profile 100e?

    Hi, I've just seen the new offer by AO for Hive thermostats for £120. I am thinking of buying this as it seems a decent price, but had not enough time to thoroughly research if it fits my old boiler (a Potterton Profile 100e). Sadly I do not have the funds to change the old boiler and as it...
  5. K

    honeywell t40 to digital replacement

    Hi . Can I replace Honeywell T40 two wire to new digital one and how? Thanks
  6. David W

    Thermostat wiring confusion

    I am swapping my old Timeguard dial stat which is 3 wire for a Honeywell THR870CUK digital programmable stat. The installation instructions are not the best so need a bit of advice as which wires go where, I have included a picture of the old stat wiring and a wiring diagram and connections of...
    • David W
    • Thread
    • electrics heating controlls thermostat wiring
    • Replies: 2
    • Forum: Electrics UK
  7. J

    Best thermostat help

    Hi all, I am looking at upgrading to a nest thermostat but I am a tad useless so need some help. I have a Potterton ep2 controller and Potterton suprima boiler. Will this be compatible with the nest 3rd gen thermostat? Please let me know if you need more information! Thanks in advance and...
    • Joeyoung90
    • Thread
    • help nest 3rd gen nest not best potterton thermostat thermostat wiring
    • Replies: 2
    • Forum: Home Automation
  8. J

    Hive - Removing Old Room Stat Wiring

    I'm installing a Hive 2 controller and would like some advice please on removing my old room thermostat. It is currently in my upstairs hallway and I'm replacing it with a Hive multi-zone stat. The current stat has 3 wires as per the attached diagram. I was planning on bridging out 1 and 4 but...
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