Electric Wall Ceiling Heater Thermostat 24 to 277V AC 2 1/4 in Overall Depth 4 1/2 in Overall Height 3/4 in Overall Width Number of Poles 1 24/277V AC Thermostat Control Voltage 25 A Contact Rating 24 to 277V AC Housing Color Black Remote Capillary Temperature Sensor Wire Leads Mounting Type Unit Mount Programming Capability Not Programmable SPST Mechanical Selector Dial Maximum Operating Temperature 110 Degrees F