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What 3rd gen Nest Thermostat products to use with 3 zone system (hw + zone 1 heat + zone 2 heat)

Community Member

Have a Standard System boiler set up with a separate hot water tank with its own thermostat, 3 zone valves, one for hot water, one for upstairs heating, and one for downstairs heating. What do I need to buy to have control of all 3 zones?

Do I just buy 2x Google Nest Learning Thermostat 3rd Generation? 

Am I correct in assuming that these will come with one Heat Link hub each, and that I can use one to control two zone valves, i.e. both hot water and downstairs heating, and the other for the remaining upstairs heating zone valve? 

Can each learning thermostat then connect over WiFi to its corresponding Heat Link hub?