Alex Duetto III 15A vs 20A for steaming by James DiStefano | Feb 20, 2016 | News | 0 comments Alex Duetto III 15A vs 20A for steaming Let's start another tread… I am fortunate to have a 20A outlet where my future machine will be set-up. I want to be able to steam with endless power as I want to get into Latte Art. more info… Submit a Comment Cancel replyYou must be logged in to post a comment.