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Upgrade of existing multiple zone pumped system


Hi All,

I've been searching for a few hours and am not quite understanding how I could upgrade my current system with the Tado range. Can someone please help?

My current controller has switched live connections to:

  1. The boiler
  2. The hot water cylinder stat, which then controls a pump
  3. Zone 1 (Living) wired stat which then controls another pump
  4. Zone 2 (1st Flr) wired stat which then controls another pump
  5. Zone 3 (2nd Flr) wired stat which then controls another pump

I can't figure out how I would control the different pumps and the boiler.

Any help would be much appreciated.

Thanks,

Stuart/