Electric Wall & Ceiling Heater Thermostat, 120 to 277V AC, 2 1/4 in Overall Depth, 4 1/2 in Overall Height, 3/4 in Overall Width, Compatible Manufacturer Model Number F2F5103N, F2F5105N, Number of Poles 2, 120/277V AC Thermostat Control Voltage, 25 A, Contact Rating 24 to 277V AC, Housing Color Black, Knob, Remote Capillary Temperature Sensor, Wire Leads, Mounting Type Unit Mount, Programming Capability Not Programmable, DPST, Mechanical Selector Dial, Maximum Operating Temperature 120 Degrees F