Circulation Heater, 40,000 W Watts, Sheath Material High Temperature Stainless Steel, Watt Density 48 sq in, Flange Size 5 in, Heater Voltage 480V AC, 3 Phase, Overall Length 64 in, Control Range 60 Degrees to 250 Degrees F, Enclosure Type NEMA 1, Flange Material Steel, Special Information Replacement Heater, Includes Tank Mounted Double Pole Thermostat