Used 4000 gallon DCI jacketed receiver, 316L stainless steel construction, approximately 84" diameter x 158" straight side, dish top and bottom, rated 30/-10 PSI at 275 F internal, bottom jacketed for 65/-15 PSI at 312 F, 304 stainless steel sheathing over insulation, 18" top manway(less cover), 4", 2", (6)1.5" top nozzles, 3" center bottom outlet on 4 stainless steel legs, serial# 92PH44363, national board# 1932, built 1992.