Unused 61 sq. ft. carbon steel shell and tube heat exchanger. TEMA AEU design, 10.02" diameter x 159" tube length. Carbon steel shell, tubes and heads. Design duty of 0.09 MMBTU/hr. Shell rated 240 PSIG/FV @ 300°F, tubes rated 185 PSIG @ 150°F. Estimated empty weight of 732 lbs. Tag #18-X-380. Previously designated as Butane Product Cooler.