I have a Bezzera matrix mn. The espresso boiler is working fine. On the other hand, the steam boiler heats up to a certain temperature (not constant) and then explodes and fills the machine with water and steam, causing a short circuit in my entire apartment. It first happened a month and a half ago, so I took the

Liquid Amber is turning into my least favorite, just not a fan of Monsooned Malabar I guess

That oring must be in the pin groove, (part number 19) in the parts diagram is showed externally but it's just a drawing necessity. {image}