1E78-151 70 SERIES ECONOMY SINGLE STAGE (1H/1C) 5+2 DAY PROGRAMMABLE DIGITAL THERMOSTAT, 24 VOLTS OR MILLIVOLT, SYSTEM SWITCH-HEAT, OFF, COOL, FAN SWITCH-AUTO, ON, PROFILE-VERTICAL, BATTERY POWERED, RANGE 45-90 F., TERMINALS-RC,RH,W,Y,G,