UNUSED 10,259 Sq. Ft. Horizontal Heat Exchanger. CS Shell rated 150 PSI @ 400 Deg F. 304-SS tubes rated 250 PSI @ 200 deg. F. 304-SS Head. Shell: 6' dia x 33' 3" OAL. 1785 Tube Holes - 1.25" dia tubes X 18'L. 1 Pass Shell. 1 Pass Tubes. Shell Nozzles: 2-30". Tube Nozzles 2-6", 4", 3", 54". Built by Heat Transfer Systems, MFG 2007. S/N: 12928-7, NB# 1845.