Esprersso machine that features a piston lever mechanism for manual control of forcing the water from the boiler through the coffee. By controlling the pull speed of the lever arm, the user can determine the exact degree of coffee extraction to prepare single and double shots of delicious, authentic espresso. The Pavoni Professional PC-16 features a superbly polished chrome finish with a 38oz nickel-plated non-corrosive brass boiler, enough capacity for sixteen 2-ounce shots of espresso. Mounted pressure gauge for monitoring boiler pressure. Dual switch temperature control for water and steam with internal thermostat. Long-life stainless steel heating elements.