Rancilio Complete Steam/water Valve - Old barista-basics/rinsers It has an unusual open

It has an unusual open face with no glass lens

Pro tip: Always install a new gasket and torque evenly to prevent leaks under pressure

Fits: Mazzer Mini and other standard-collar Mazzer models (no modification needed)

Fittings: 2 x 3/8" male

Knob thread: 15

Rancilio Complete Steam/water Valve - Old barista-basics/rinsers It has an unusual openRancilio Complete Steam Water Valve (Old Version) Complete steam water valve assembly, originally for the Rancilio Z 9 Z 11, Millennium, and S 20 27. This older version is functionally identical to and may be replaced by the current version. COMPATIBILITY Fits: Rancilio Z 9 Z 11, Millennium, S 20 27 (older machines) Replaces replaced by: functions the same as R_615 (new version valve) INSTALLATION Moderate DIY; recommend a qualified technician if