USED 30 KW INDUSTRIAL ENGINEERING EQUIPMENT SYLTHERM TEMPERATURE CONTROL UNIT. 5 HP 480 VOLT, 30 KW, 450°F. HEAT EXCHANGER 150 PSI @ 450°F; 150 PSI @ -100°F. CAT.# 359X-0557, IDENT. NO.C-91. HERZOG HART CORP ENGINEERING MODEL# IE 30/30L, S/N 10017, TAG #-HR-5102, HEAT EXCHANGER NB 935.