Unused approx 420 sq ft TP304L Stainless Steel vertical shell and tube heat exchanger. Manufactured by Wuxi Zhicheng Biochemical Engineering Equipment Co., Ltd. (324) 19.05mm OD x 2000mm L tubes rated 116PSI/FV@220C. SA240 Shell MAWP 175PSI/FV @220C. Lug moutned. Serial #WZA21-27. National Board #154. Built 2021.