Used 2,708 Square Foot Nitrum Energy Inc. U-Tube Horizontal Shell & Tube Heat Exchanger / Condenser. (230) 1 1/2” OD X 18Ga. X approx. 20’ long tubes – SA 213 Typ. 304 SS. Shell Rated 250/FV @ 450 F, Tubes 50 @ 450 F. Mfg by Nitrum Energy Inc, Serial #880228, National Board #4606, Built 1989. Total Condenser Wt. - approximately 16,000 lbs. Previous Use: Dump Condenser