GEA plate-type heat exchanger, Model number NT100T BYF-150, includes approximately (16) 34" x 18" plates, frame has additional 24" to accommodate more plates. Set up as 4-eye closed delivery. Rated for 140 PSI at 350 degrees Fahrenheit to 32 degrees Fahrenheit sides A & B. Serial number ENA-120/50326, new in 2014.