Price For: Each Enclosure Type: NEMA 1 Item: Screw Plug Immersion Heater Watts: 7500 Sheath Material: Copper Phase: 3 NPT: 2" Min. Immersion Depth: 16" Watt Density: 65 sq. in. Voltage: 480 Overall Length: 19-7/8" Country of Origin (subject to change): United States