Screw Plug Immersion Heater, 3,000 W Watts, Sheath Material Copper, Screw Plug Material Brass, Watt Density 45 sq in, Heater Voltage 240V AC, 3 Phase, Overall Length 16 9/16 in, Control Range 60 Degrees to 250 Degrees F, 2 in NPT, Enclosure Type NEMA 1, Min. Immersion Depth 10 in, Includes Thermostat