The Rancilio CLASSE 9 S4 is a premium semi-automatic espresso machine engineered for commercial kitchens that demand performance, reliability, and style. With a **22-liter boiler** and **4 groups**, this machine is built to handle high-volume operations without compromising on quality. Its **dual steam wands** provide versatility for milk-based drinks, while features like the **Hydro Hub** and **pressurestat** ensure smooth, long-lasting performance. Perfect for cafés, hotels, and restaurants, the CLASSE 9 S4 combines **stainless steel and aluminum construction** for durability with a **soft-touch control panel** and **lighting system** for user-friendly operation. Whether you need **espresso, lattes, or hot water for tea**, this machine delivers consistency and efficiency, making it a top choice for professional kitchens. Elevate your beverage menu with a machine that balances **heavy-duty performance** with **aesthetic appeal**, ensuring your customers enjoy flawless, high-quality espresso every time.