Answer by Harper - Reinstate Monica for Adding common wires for nest thermostats
First, if the Nest isn't reporting problems from lack of a C wire, then you don't have problems, so don't make problems. If you do need a common wire, I gather by the grand tour of your system that you...
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Adding common wires for nest thermostats
I recently installed some Nest E thermostats for heating only usage. They’ve been great so far, but my HVAC guy warned me I would likely run into issues without a common wire. In the newer part of the...
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