The Astra M1011 automatic espresso machine utilizes a thermo-circulation brewing system to stabilize temperatures for consistency. It's fully automatic and measures 19.25 inches wide by 19.50 inches deep by 22 inches high. Because it includes a water connection, it automatically refills, and its drain facilitates emptying after use. The vacuum valve prevents milk from entering the boiler, which has a capacity of 7 liters.For longevity, the Astra M1011 espresso machine's flare fittings are constructed of brass. Its manual steam valve and manual hot water valve permit control of steam and water. This unit is built with one brewing head to produce 240 cups of coffee per hour. It includes one single and one double portafilter, and it can dispense as many as four different brewing portions depending on need.Mega 1 Espresso/Cappuccino Machine, automatic, (1) brewing head, (1) manual steam valve, (1) manual hot water valve, water connection & drain, 7 liter boiler, includes (1) single & (1) double portafilter, 240 cups/hour, rotary Procon® pump, thermo circulation brewing system, automatic water fill, vacuum valve, pre-infusion capabilities, brass flare fittings, 220v, 20 amps, 2700 watts, UL STD 197, CSA 222.2 No. 109, ETL-Sanitation to NSF-4, Made in USA*Image may not depict product color, inclusions or accessories. Important Prop 65 information for California residents.