Match and attach the labeled wires to the connectors and snap the cover in place. Normally, there is no danger for 24V or millivolt systems. Incorrectly connecting this wire may lead to damaging your 24V control transformer. The Hunter 44428 thermostat does not require a common wire, and therefore, is much easier to install than other models. Also, line voltage thermostats require greater care due to their 120V or 220V current.
Energy savings depend upon how a programmable thermostat is set.
Since a programmable thermostat can be used with only a single setting like a manual thermostat, the savings can be very small, coming only from the enhanced accuracy. All Rights Reserved .