Electric Baseboard Heater Thermostat 120/208/240/277V AC 3 in Overall Depth 4 1/2 in Overall Height 3 in Overall Width Compatible System Type Baseboard Heaters Number of Poles 1 120/208/240/277V AC Thermostat Control Voltage 18 A 22 A Contact Rating 22A @ 120 to 277V AC Housing Color White Instruction Manual Mounting Type Wall Mount Programming Capability Not Programmable Mechanical Selector Dial UL Listed CSA Certified Maximum Operating Temperature 80 Degrees F