Unused 3,085 sq. ft. carbon steel shell and tube heat exchanger. TEMA AEU design, 40" diameter x 180" tube length. Carbon steel shell, tubes and heads. Design duty of 10.34 MMBTU/hr. Shell rated 170 PSIG/FV @ 330°F, tubes rated 135 PSIG @ 150°F. Estimated empty weight of 37,020 lbs. Tag #18-X-379. Previously designated as Debutanizer Overhead Condenser.