1C26-101 SINGLE STAGE (1H/1C) SETPOINT THERMOSTAT, 24 VOLTS, SNAP-ACTION, SYSTEM SWITCH- HEAT, OFF, COOL, FAN SWITCH-AUTO, CONTINUOUS, PROFILE-VERTICAL ROUNDED, RANGE 50-90 F., TERMINALS-RH,RC,G,W,Y,O,B (MERCURY FREE)