Screw Plug Immersion Heater 10 000 W Watts Sheath Material Copper Screw Plug Material Brass Watt Density 61 sq in Heater Voltage 480V AC 3 Phase Overall Length 28 9/16 in Control Range 60 Degrees to 250 Degrees F 2 in NPT Enclosure Type NEMA 1 Min Immersion Depth 22 in Includes Thermostat