Circulation Heater, 24,000 W Watts, Sheath Material Stainless Steel, Screw Plug Material Stainless Steel, Watt Density 48 W/sq in, Flange Size 5 in, Heater Voltage 480V AC, 3 Phase, Overall Length 46 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. TFP02720, Includes Tank Mounted Double Pole Thermostat