Circulation Heater, 18,000 W Watts, Sheath Material High Temperature Stainless Steel, Watt Density 48 sq in, Flange Size 3 in, Heater Voltage 480V AC, 3 Phase, Overall Length 58 in, Control Range 60 Degrees to 250 Degrees F, Enclosure Type NEMA 1, Flange Material Steel, Special Information Replacement Heater, For Use With Mfr. No. TFP02674, Includes Tank Mounted Double Pole Thermostat