WATTCO 4" FLANGE HEATER (9 HAIRPIN ELEMENTS) 36 KW, 480 V, 3 PH (43.31 AMPS) (DENSITY 23.14 WATTS/SQ. IN.) (PROPYLEN GLYCOL APPLICATION) (1 CIRCUIT) ANSI 150# (304SS MATERIAL) FLANGE 0.43" O.D. TUBE 316SS SHEATH 69" IMMERSED LENGTH, 5" COLD SECTION THERMOCOUPLE TYPE J FOR HIGH LIMIT CONTROL NEMA 4 (MOISTURE RESISTANT) ENCLOSURE WITH GASKET HORIZONTAL INSTALLATION OPERATING PRESSURE: 40 PSI OPERATING TEMPERATURE: 50