Screw Plug Immersion Heater, 1,000 W Watts, Sheath Material Copper, Screw Plug Material Brass, Watt Density 92 sq in, Heater Voltage 120V AC, 1 Phase, Overall Length 12 7/16 in, Control Range 60 Degrees to 250 Degrees F, 1 in NPT, Enclosure Type NEMA 1, Min. Immersion Depth 6 3/8 in, Includes Thermostat