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, Double Pole, Junction Box Cover, Snap Action, Mounting Type Unit Mount, Programming Capability Not Programmable, Mechanical Selector Dial, UL Listed, CUL Listed