Used Mueller Accu Therm Plate Type Heat Exchanger. Model A1130-B20. S/N 164414-01 (327) 0.5MM 316 SS plates. Design Data: Hot Side (wash water) 1400 GPM Cold Side (river water) 1029 GPM. Heat Transfer Area (all frames) 4476.2 sq ft. Design Pressure 75 PSIG. Design Temperature Max/Min 150 degrees F/ 32 degrees F. Frames in Parallel/Series/Total 1/1/1. Overall length 122.75 inch, Overall width 43.18 inch, Overall Height 106.75 inch. Weight operating/empty 16257/12883 lb. (2) pass on hot and cold sides. Connections: Hot In 10", Hot out 10", Cold In 10", Cold out 10", Vents 10".