Used 26 Sq. Ft. Horizontal SS Shell & Tube Heat Exchanger. CS Shell rated 150 PSI @ 450 deg F. 316-SS Tubes rated 50 PSI/FV @ 450 deg F. Shell dia : 6.625" x 7'. (16) tubes, 3/4" dia x 7' 8" L. Nozzles: Shell - (2) 2"; Tubes - (2) 2". Type BEM. Mfg by Doyle & Roth, 2005, S/N: S-1503-9, NB# 20151. Previous use: Seal Liquid Cooler. Weight: 475 lbs. U-1 & Drawing on file.