Don’t forget to turn on the warmer too, if the machine has one.
The reservoir is generally a tank on the side or back of the machine.
This gives the water in the boiler time to heat up and build pressure, which is needed to force hot water through the coffee grounds. [6] X Research source
You can practice this by pressing on your bathroom scale until it reaches 30 pounds (14 kg) to get a feel for how much pressure to apply. Portafilters are small metal dishes with long handles that can be attached to the grouphead. The filter screen in the portafilter is called the basket.
The grouphead is made up of gravity-fed nozzles connected to a pipe that runs through the boiler. It’s located underneath the top section of the machine.
The steamer wand is a small metal pipe, usually located at the end of 1 side of the machine.
