Unused 108 sq. ft. 304 Stainless steel vertical shell and tube heat exchanger. (4.5 MMBTU/Hr). Manufactured by Wuxi Chemical Equipment in 2023. Both 304SS shell and tube rated 174 psi @ 428 °F. Dimensions: 10? × 10'0?. Designes as hot water tank heater. Serial #WZA21-24; NB #155. Under Nitrogen Purge