La Nuova Era Cuadra Commercial Espresso Machine - V2 E61 Grouphead: Hot water circulates from the heat exchanger through the grouphead and back to keep the grouphead and your portafilter nice and hot. Multi-directional no-burn steam wand: Allows the user to pivot the steam wand in the right position for milk frothing and steaming Multi-directional no-burn hot water wand: Allows movement for larger and smaller cups. We recommend not pulling out more than 4 ounces at a time and to wait for the pump to complete refilling the boiler before pulling an additional 4 ounces. Large 1.8 liter copper boiler: Provides ample steam power for home and office use. XP700 Mater pressurestat: this is an upgraded version regulator to monitor the steam pressure in the boiler.