Hello, I am wondering if my existing wiring is compatible with the Nest.
is the blue (B) wire common in my setup?is the brown wire for O/B? It is
currently not connected to anything.The previous thermostat was a Trane
T8411Rthanks in advance!
@CoolingWizard I will test this once I am able to get back into the home
(being painted atm)@Patrick_Caezza I will return mine for that one then,
thanks!
