Drum Heater Current Rating 10 A Environment Indoor Outdoor For Container Capacity 55 gal For Container Material Type Metal For Container Type Drums Thermostat Temperature -Maximum 160 Degrees F Thermostat Temperature -Minimum 0 Degrees F Operating Voltage 115V AC Watt Density 4 W/sq in Watts 1 200 W Closure Method Spring Controller Type Digital Drum Diameter - Maximum 22 1/3 in Electrical Connection Type 5-15P Plug