Used 6 sq. ft. Cherry- Burrell Thermutator Scraped Surface Heat Exchanger, 6" dia x 48" long, Model # 648-S, standard nickel tube with hard plated chrome finish, stainless steel mutator shaft, 4- blade design , jacket rated 250 PSI @ 400 F, 2" Inlet & outlet, driven by 10 Hp. variable speed drive, bayonet style locking end cap, in self contained style OH cabinet for stacking of units, Blt. 1983, S#1341.