Used 561 Sq. Ft. Southern Heat Exchanger Corp. 304L Stainless Steel Horizontal Shell & Tube Heat Exchanger. Shell rated 100 PSI @ 200 deg F; Tube side rated 85 PSI @ 150 deg F. (143) .75" dia straight 304 L SS Tubes with 20' length; 14' x 22' 5.75", 3/16" shell. Serial # 78-117; National Board # 2721; Built 1978. Nozzles: Shell side: (2) - 3" Tube side: (2) - 3". Estimated Weight: 3,400 lbs. Note: Failed Hydro Test - needs repair.