Flanged Immersion Heater 6 000 W Watts Sheath Material Incoloy(R)800 Watt Density 48 sq in Flange Size 3 in Heater Voltage 240V AC 3 Phase Overall Length 21 9/16 in Enclosure Type NEMA 1 Min Immersion Depth 18 in Flange Material Steel Includes Gasket