I have an existing thermostat running on two wires with batteries and I
want to replace it with a nest thermostat that requires a C wire. I do
have a third wire available to me I just need to know where to hook it
up on the TACO Box
Depending on the age of your TACo box it may be required to reverse your
red and white leads inside the switch coming from your thermostat. red
has to go to the right lead even though they're both marked T
