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  1. J

    Room thermostat controlling rads & boiler. OpenTherm?

    That does look interesting, many thanks. I had a look through the FS20 range on the Conrad site but I couldn't see any boiler control modules. Which boiler control module did you go for? Many thanks, Jack updateI've read a bit more about this system. I'm starting to like what I see...
  2. J

    Room thermostat controlling rads & boiler. OpenTherm?

    Yup. Internal doors are kept closed and draught proofed. I've insulated in the void between the ground floor ceiling and first floor floor where possible too. Good point re switching neutrals boilerman, thanks
  3. J

    Room thermostat controlling rads & boiler. OpenTherm?

    Really excellent reply, thank you. Yes, I suppose I am trying to achieve a zone-per-room system on the cheap ;) My current thinking is something like this: Radiator actuators replace all the TRV heads (actuators are around £30). The TRV actuators are cheaper than zone valves plus they...
  4. J

    Room thermostat controlling rads & boiler. OpenTherm?

    I don't mind investing the time running the cables. But I'm eager to keep the equipment cost low. Some home automation systems are absolutely extortionate. We will do these things as well. We're currently insulating our living room to the Energy Saving Trust's Best Practice targets...
  5. J

    Room thermostat controlling rads & boiler. OpenTherm?

    Many thanks for the replies. All interesting stuff. What am I trying to achieve? I'm trying to ensure that we only heat rooms when they're occupied. We don't have a huge house (main bedroom, spare room, study, kitchen, livingroom, dining room). At the moment we have TRVs on all the...
  6. J

    Room thermostat controlling rads & boiler. OpenTherm?

    I'm currently planning an upgrade for our ancient central heating system. We're renovating the livingroom at the moment and I want to install a room thermostat. I want the room thermostat to be able to both turn on the room's radiators and ask the boiler for more heat. I've found several...
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