Used ITT Industries 19 sq ft plate heat exchanger. National Board # 133027. Serial # 952552-01. Rated for 150 psi @ 248 deg F Maximum Working Pressure (MAWP). Heat exchanger has (9) 34.5" x 9" stainless steel plates. There are (3) 2" sanitary Tri-Clamp fittings and (1) 2” fitting. The overall dimensions are 36" long x 12" wide x 15" tall. Built in 2005.