Unused 990 Sq Ft 304L Stainless Steel Shell and Tube Heat Exchanger. Mfg Praj Industries. 304L SS Shell MAWP 10 PSI@176F. (440) 1"OD 304 SS Tubes MAWP 56 PSI@131F. (2) Saddle Mounted. Overall 37.5"D x 9'10"L. National Board #5. Serial #06D058-H1509B. Built 2008. Use: Surface Condenser - II