While I don't have that set up, if you touch those wires together and it
circulates the pump, then check if the nest is providing a closed
switch. then it will work but I believe that the nest is moving power
from one wire another wire to run the fan...
I have received very few leafs this year and meanwhile I have gone
nearly 90% to heating with my wood burning stove. The "environmental
awards" only seem to accumulate when you use the "typical" sources for
heating. Very strange
I use a wood burning stove and have my fan turn on periodically to move
the heat around, including into my basement. To do this I open the Nest
app, click the thermostat and then open the settings by clicking on the
gear at the top right. Then look f...