When users search for "E61 vs," they are usually comparing this traditional mechanical system against modern technologies:
The E61 is a heavy brass group head (traditionally weighing about 9 lbs) that uses a thermosyphon system to circulate hot water from the boiler, keeping the brew group at a consistent temperature. It was originally designed by Faema in 1961 and remains a staple in "prosumer" espresso machines. Common Comparison Points E61vs.mp4
Are you comparing (like a Rocket Espresso vs. a Lelit) or looking for a maintenance guide for an E61 group? When users search for "E61 vs," they are