Terlet Contherm scrape surface heat exchanger, National board number 1367, serial number 29.412-1, built in 1987, 28" diameter x 50" tall vessel, 2.5 cubic feet of surface area, 2" Tri-Clover infed and discharge, 2" threaded steam fittings, 7.5 HP electric motor drive, 104 RPM, all stainless steel construction.