Astra Pro is manufactured with the same modular, professional, commercial components as the rest of the Astra line, including the same brewing mechanism and thermal circulation. Over 2.6 liter boiler with 1,300 watt heating element in a 100% polished stainless frame makes it extremely easy to enjoy a professional quality product at home or office. ETL Listed to NSF-4, UL 197, and CSA C22.2 No 109. Modular Construction makes the Astra the easiest and most reliable machine to install, maintain and service. Self-tamping brewing mechanism (the same brew group as the commercial line). Stainless boiler with manufacturer's warranty. Automatic high-temperature switch with reset. Automatic shut-off if water does not reach machine - prevents potential damage to heating element. Automatic water fill. Internal oversized power relay for added safety. All American made, nickel plated brass flare fittings eliminate future costly service. Stainless Steel steam wand. Brewing systems with thermo-circulation and infusion provides absolute temperature consistency and quality. No electrical components below the drain tray, thereby, avoiding electrical hazard and future costly maintenance. When machine is turned "ON", the heating element will not engage unless there is enough water in the boiler. One (1) year manufacturers limited warranty on parts, except gaskets, knobs, valves, pump and all other wear-and-tear items. Labor warranty available through local distributors. Professional portofilter (the same as the commercial line). 15"W x 18"D x 11"H. 110V, 1300 watts. Production capacity is 120 cups/hour.