Used 238 Sq Ft Horizontal SS U-Tube Heat Exchanger. CS Shell rated 168/FV PSI @ 350 Deg F. 304L-SS tubes rated 150 PSI @ 250 deg. F. Shell: 10.75" OD x 15' (OAL - 16' 2"). (16 U's) 1" Tubes x 16' L. Nozzles: Shell - (2) 3": Tubes - (2) 2". Mfg by Ohmstede, 1995, S/N: 548360, NB# 1227. Previous use: Column Interchangerer. Approx weight: 1,550 lbs.