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Smart Heating control installation

Hi, was wondering if anyone can help I'm trying to modernise my home with smart heating, it currently has an old Honeywell system with a thermostat in the hallway and the programmer in the kitchen under the boiler.

Can I switch this out for e.g. Hive or nest? And if so do I just replace the thermostat in the hallways or the programmer in the kitchen or both? Or will it be all in 1?


    HVACNUT Member Posts: 5,738
    You're in Europe?
    The switching is all 240v. Is a Nest available rated for 240v?
    If not a transformer and isolation relay are needed.
    P.S. Smart thermostats aren't all that smart. And the Nest even less so IMO.
  • dm9321287
    dm9321287 Member Posts: 36
    I’ve had a Tado in for a few years now. Fitted it myself. Straight swap for the hall thermostat. Newer version has battery powered room sensor you can put anywhere. Receiver can go in place of wired stat or if you want to use it for water control, or use it to control boiler modulation, it needs direct wiring into the boiler, which is more likely a pro installation.