Used 2000 Sq Ft SS Heat Exchanger. 304-SS Shell rated 100 PSI at 300 deg. F. 304-SS Tubes rated 75 PSI at 300 deg. F. 304-SS Heads. Shell 2'4" dia. (624) 3/4" tubes x 16' L.- 2 Pass. OAL: 18'4". Shell nozzles: (18",(2)3"; Tube nozzles: (2) 10". Type BEM. Built by Old Dominion, 1973, S/N: 73-23, NB# 21076.