The Rancilio CLASSE 9 S2 is the ultimate commercial espresso machine for high-volume coffee service, designed to meet the demands of professional cafés and restaurants. With an 11-liter boiler that stays filled automatically and independent heat exchangers for each brew group, this semi-automatic machine allows baristas to brew espresso while simultaneously steaming milk—eliminating bottlenecks in even the busiest kitchens. The built-in volumetric pump ensures consistent water volume for perfect extraction every time, while boiler and pump pressure gauges provide real-time monitoring for optimal performance. Whether you're running a specialty coffee shop or a full-service restaurant, the CLASSE 9 S2 delivers the reliability, precision, and speed that commercial operations require. Its robust construction, along with features like LED work lighting and adjustable feet, makes it a staple for any professional kitchen. Built to Rancilio's renowned standards, this machine combines Italian craftsmanship with commercial-grade durability, ensuring years of flawless operation.