Screw Plug Immersion Heater, 2,000 W Watts, Sheath Material Copper, Screw Plug Material Brass, Watt Density 80 W/sq in, Heater Voltage 120V AC, 1 Phase, Overall Length 9 1/8 in, Control Range 60 Degrees to 250 Degrees F, 1 1/4 in NPT, Enclosure Type Moisture Terminal, Min. Immersion Depth 6 1/2 in, Special Information Rugged Tubular Heating Element, Special Model Selections with Low Water -Off