Unused 4280 Sq Ft Vertical SS U-Tube Heat Exchanger. CS Shell rated 150 PSI @ 200 Deg F. 304-SS tubes rated 600 PSI @ 400 deg. F. Shell: 3' 4" OD x 21' 10" (1 Pass) (OAL- 26' 10"). (1184) .75" Tubes x 18' 6" L (2 Pass). 304-SS Heads. Nozzles: Shell - (2) 18", Tubes - (2) 10". Mfg by Joseph Oats, 1976, S/N: J-2168-1B1, NB# 776. Lug Supports. Wt: 25,000 lbs. U-1 & Drawing on file.