Unused 600HP Cleaver Brooks Firetube steam Boiler. Model CB 700-600. Natural gas fueled. 600 HP. 150 PSI maximum working pressure. 3000 square feet heating surface. 10.5 kg/cm2 design pressure. 6327000 kcal/hr inlet. 98 cm H20 minimum gas inlet pressure. Serial# MX-8711. Built 2023.