Used 330 Gallon (1250 Liters) vertical mixing pressure tank mfg by Precision Stainless in 1988, Serial #8538-14, N.B. #2198, rated internally for 40 psi @ 300 deg F. Approximately 3'6" dia. x 4'6" T/T shell - 304L stainless steel 3/16" thick, leg mounted.