Used Barriquand Echangeurs Platular Welded Plate Heat Exchanger, 862.81 Square Feet, Model DIXASP 13+12-12X2X3500X520, 316L Stainless Steel, Horizontal. Channel A & B each rated 150 psi at -20 to 300 degrees F. (2) Bolt on hinged doors. Mounted on legs. National Board# 228, serial# 29092E, built 2012.