Not to use as a " commercial " coffee machine i hope !A friend has asked my advice about buying one for his business and I have had to confess that I have no idea why so cheap.
These machines are simply assembled from multiple single Ascaso boiler/group units. Each one is 330 ml, same as used on all the Ascaso domestic machines.
The 2 group with separate steam boiler uses a separate thermoblock steam boiler so continuous steam is available.
These are neat , compact , solidly built domestic machines, but not designed for continuous operation .
A good friend has the 2 group machine and has had several failures over the years ( currently dead again !)
I would not pay $2000 for one, and would never consider it for a situation where it needed to function continuously..