Benefits of an Espresso Machine In an espresso machine hot water is forced through finely ground coffee beans. This produces a smooth, rich drink, known as espresso. The first espresso machines were steam-powered. They use a single boiler to make multiple drinks simultaneously. When the water attains the "grouphead," where https://www.coffeee.uk/products/de-longhi-stilosa-ec260-cr-manual-espresso-machine-1l