3220 Sq Ft. used SS Heat Exchanger, Shell rated 100 PSIG @ 170 deg F; Tubes rated 550 PSIG @ 170 deg F; 1 / 1 passes; U-Tubes: (442) 0.75†dia x 14 BWG x 40’ Avg length; Horizontal; 304SS - Shell / Tubesheets; Tubes: 316SS; Channels: 304SS. Size: 54†Dia x 285†OAL; on saddles; Mfgr. Missouri Boiler – 1965; S/N X9444; Excellent condition.