The kid meets the furnace thermostat...
Hi, So she’s been back there before... Likes to pull the cover off the thermostat. This time, she pulled the thermal expansion spring out. (She did this just as i was finishing fixing the last thi...
Forum Discussion
groundhogy wrote:afaik there is voltage in one wire but nothing flowing. When the thermostat connects the wires it sends the voltage signal to the furnace to get started.
So there is power in the two wires?
