The Bezzera DUO is a highly developed portafilter espresso machine DUO DE / 3 PID thermostats / Bezzera brewing group / volumetric dosing: The Bezzera brewing group is heated by separate heating elements, activated by a PID thermostat that ensures a constant temperature. The second PID thermostat regulates the water temperature in the boiler, which is designated for coffee extraction, guaranteeing optimal thermal stability in a range of 88-96 °C. The steam and water circuit is connected to an independent boiler, also controlled by a PID thermostat, which allows for optimal steam performance even under intensive use. The DE version is equipped with volumetric coffee dosing, controlled by a microprocessor. It offers 4 coffee brewing options that can be programmed directly via the keypad; the fifth button activates the manual dosing process. The key features at a glance: - Automatic daily on/off setting - Automatic brewing group cleaning program - Pre-infusion can be adjusted - Water filter alarm and maintenance cycles - Water supply selection: either via the water line (direct water) or via the water tank - Boiler priority is adjustable Technical specifications: - Rotary pump - 4-liter fresh water tank - Coffee boiler 0.45 liters - Steam/water boiler 1 liter - Direct water connection possible - Housing and body made of AISI 304 (stainless steel V4A) - Gross weight: 35kg - Dimensions: Width: 326mm / Depth: 470mm / Height: 425mm Delivery includes: - 2 portafilters with rosewood handles - 2 baskets (7gr. and 16gr.) - Steam/water buttons made of rosewood - Nylon brush - Plastic tamper and measuring spoon - Blind basket (for brewing head cleaning) * This device is delivered without flow control.