My HVAC system has a C wire and so does my old Honeywell non
programmable digitial thermostat. In order to save some money I bought
a Programmable 5-2 day programmable thermostat (Honeywell). This
thermostat does not have a position for the C wire
(The other positions are Rh, Rc(connected by jumper to Rh), W, Y, G
and it matches with the new one)
The question is - can I leave the C wire unconnected?
If yes, what are the pitfalls of doing so
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