Used horizontalal 540 Sq Ft U-Tube Shell & Tube Heat Exchanger. CS Shell rated 25 PSI/FV @ 250 deg F. CS Tubes rated 125 @ 160 deg F. 24" Shell x 8' 8" L. (OAL - 10' 11"). (168) 3/4" OD Tubes, x 8'L. Nozzles: Shell - (2) 6"; Tubes - 24" inlet, 3" outlet. 1 Pass Shell, 4 Pass Tubes. Built by Energy Exchanger, 1980. S/N: 3976, U-Stamp. Type BEU. Weight: 4800 lbs. Previous Use: Recycle Column Condenser.