Electric Baseboard Heater Thermostat 120/208/240/277V AC 4 1/2 in Overall Depth 6 3/4 in Overall Height 4 1/2 in Overall Width Compatible System Type Baseboard Heaters Number of Poles 2 120/208/240/277V AC Thermostat Control Voltage 18 A 22 A Contact Rating 22A @ 120 to 277V AC Housing Color White Instruction Manual Mounting Type Unit Mount Programming Capability Not Programmable Mechanical Selector Dial UL Listed Maximum Operating Temperature 100 Degrees F