La Marzocco GS3: Dual stainless steel boiler technology and saturated brewing groups, 3.5 Liters internal water reservoir, PID temperature control (proportional integral derivative), “Cool touch” stainless steel hot water wand, Stainless steal steam wand, Multifunction keypads and digital display, Internal volumetric pump, Brew water pre-heating system, Available in the mechanical paddle (MP) version, Voltage 220, Power 2100W, Rotary pump, 2 litre water tank with plumb-in option. $6,500.00