Used 386 Sq Ft Doyle and Roth Horizontal 304 Stainless Steeel Shell and Tube Heat Exchanger. (162) .75"OD x 12' L tubes rated 400PSI/FV @ 350F. Shell rated 478PSI/FV @ 350F. Approximately 34" OAH x 172" OAL. Weight of 4,438 lbs. Serial #S2766-6. National Board #21578. Built 2015. Last Use Trim Cooler.