Used approx 235 Sq Ft SS Vertical Heat Exchanger. 316L-SS Shell rated 200 PSI/FV @ 300 deg F. 316L-SS Tubes rated 100 PSI @ 150 deg F. 316L-SS Heads. Shell dia: 18" x 6'4" L. (151) 1" tubes. Nozzles: Shell - (2) 2", (2) 3/4"; Tubeside - (2) 6". Built by Taylor Tank Co. (Rubicon), 2003. Model: VT18C1-76V, S/N: 3011, NB# 1409.