Drum Heater Current Rating 13 A For Container Capacity 55 gal Thermostat Temperature -Maximum 400 Degrees F Thermostat Temperature -Minimum 50 Degrees F Operating Voltage 115V AC Watt Density 6.5 W/sq in Watts 1 500 W Drum Diameter - Maximum 22 1/2 in Includes Adjustable Thermostat Cord Set with 3 Prong Molded Plug. Stem Rotation of 310 Degrees Operating Temperature - Maximum 400 Degrees F Operating Temperature - Minimum 50 Degrees F Power Cord Length 6 ft