Used 257 Sq. Ft. EDTI Horizontal Model BXM SS Tubes: (164), 3/4" OD x 96"L, 250 PSIG @ 200 Deg. 1 pass tube, 8" inlet/outlet. Heads: 316 SS. Shell: Carbon Steel (CS) 15" diameter. 250 PSIG @ 200 Deg. 1 pass. Has a CS surge tank mounted on top. Serial # 03002, NB# 818, R3956