Screw Plug Immersion Heater, 1,500 W Watts, Sheath Material Copper, Screw Plug Material Brass, Watt Density 84 sq in, Heater Voltage 240V AC, 1 Phase, Overall Length 11 5/8 in, Control Range 60 Degrees to 250 Degrees F, 1 1/4 in NPT, Min. Immersion Depth 9 in, For Use With Water Applications, Includes Thermostat