As someone that's been looking into it, it's not just for the Gaggia. It's also for some Silvia models and they have a small list of others that people have got

As someone that's been looking into it, it's not just for the Gaggia. It's also for some Silvia models and they have a small list of others that people have gotten it to work for. The list is, unfortunately, on discord and the discord server has some really petty rules and a lot of superiority complexes.