300 Sq Ft Yula Sanitary Heat Exchanger, Single Pass, All Stainless SteelSanitary Tube Side, Tubes and Shell rated 150 PSI @ 300F, NB 11357, 2" Sanitary connection in and out Tube side, single pass, (2) 3" in and out Shell side, 12" Diameter x 12'6"OAL, (132) Tubes x 3/4" x 12' Long, Double tube sheet design. Model WC-1E-144BS, ASME & NB CODE STAMPED, Blt. 2001.