Used 213 Sq. Ft. Horizontal Heat Exchanger mfg by EDTI, Type: BEM Tubes: (136), 3/4" OD x 96"L, Stainless Steel (SS), 100 PSIG @ 200 Deg.8" inlet/outlet. Heads: 316 SS. Shell: Carbon Steel (CS), 100 PSIG @ 200. 19" diameter, 8" inlet/outlet. Serial # 03003, NB# 819.