UNUSED 1699 Sq. Ft. vertical steel Shell & Tube Heat Exchanger. CS Shell rated 305 PSI @ 465 F, CS Tubes rated 60 PSI @ 850F. Shell: 39" OD x 9' 3"L.(AOL: 14' 2"). (649) straight tubes 1" OD x 10' L.Nozzles: (2) 24", 6", 8". Mfr: Doyle & Roth, S/N: J-7266, Built 1993, NB # 16447.