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Good question! My understanding is that you do need a power adapter for
each nest thermostat used. I would think that they will each need a
transformer of their own. My reason for thinking, is that when i hooked
up my power adapter to a spare 24V ter...
Guys! I just spent a week trying to get to the bottom of this and i
found it.Google nest has a ‘pro installation guide’ with the appropriate
wiring diagram for when there is no C terminal available at the zone
controller. You will need to buy an addi...