Used 131.9 Sq Ft Horizontal SS U-Tube Heat Exchanger. 304L-SS Shell rated 300 PSI @ 450 Deg F. 304L-SS tubes rated 300 PSI @ 450 deg. F. Shell: 10.75" OD x 17' (OAL - 17' 9"). (16 U's) 1" Tubes x 16' L. Nozzles: Shell - (2) 3": Tubes - (2) 2". Passes: Shell - 1; Tubes - 8. Type BEU. Mfg by Killebrew Engineering, 1977, S/N: 32119, NB# 3659. Previous use: Column Interchangerer. Approx weight: 1,400 lbs.