Screw Plug Immersion Heater, 1, 000 W Watts, Sheath Material Steel, Screw Plug Material Steel, Watt Density 21.24 W/sq in, Heater Voltage 120V AC, 1 Phase, Overall Length 15 1/2 in, 1 1/4 in NPT, Enclosure Type NEMA 1, Min. Immersion Depth 12 3/4 in, Special Information Corrosion-Resistant Electrical Wiring Hardware, Recompacted Element Bends Restore Insulation Resistance After Forming, Silicone Resin Element Seal Standard, For Use With Non-Corrosive Material, Oil Applications. This item has been restricted from sale in the following state (s): []