So that your espresso machine will last, TheCoffeeBrewers recommends that you use distilled water, and not tap water in your espresso machine.
Lever espresso machines are not "turn key." Read the instructions and watch the video before attempting to operate. They will not work if the boiler is not filled adequately.
Lever Espresso Machines are not pump-driven espresso machines. Instead, you provide the pressure using the lever, and a little bit of strength. The lever espresso machines do have internal boilers for heating the water, and for creating steam pressure for frothing milk, but they do not have pumps.
Many enthusiasts swear that the lever espresso machines make the best espresso. In any case, it is fun to learn how to pull a real shot like an old-world barista. And the lever espresso machines are quite beautiful to look at. They will certainly add to your kitchen or bar decor.
All of the La Pavoni lever espresso machines come with an instructional video.