Used Precision Stainless 250 Liters (approximately 53 gallon) 316L stainless steel jacketed pressure tank. Unit measures 24" diameter X 27" straight side with dish top and bottom with 1-1/2" center bottom discharge. MAWP of 49 PSI at 400 degrees Fahrenheit, jacket rated for 160 PSI at 400 degrees Fahrenheit. Includes Lightnin E71696100 agitator driven by 1/2 HP, 90V, 1750 RPM motor with DC2 variable speed controller. Includes Burns 14372 explosion-proof Sensor Probe. Includes internal spray ball. Unit new in 1998, National Board Number 7420. Portable on casters. Very good condition.