I have a two wire thermostat, red wire and White wire. I have 24 V on
the red wire at my thermostat location. I understand the nest needs a C
wire. And the C Wire is constant 24 V. Why can I not add a jumper wire
from our to see at my thermostat loca...
Thanks for the fast reply I appreciate thatI have an old old system, two
zones for the heater and the zones use relays. I don’t even have a
circuitboard to create a C wire. I do have a two wire to the thermostats
I was just trying to figure out how t...