Automatic Bushing Immersion Heater, 1,000 W Watts, Sheath Material Copper, Screw Plug Material Brass, Watt Density 31 sq in, Heater Voltage 120V AC, 1 Phase, Overall Length 13 1/8 in, Control Range 110 Degrees to 190 Degrees F, 1 in NPT, Enclosure Type Terminal, Min. Immersion Depth 9 1/8 in, For Use With Water Applications, Includes Low Water Cutoff with Auto Reset