La Marzocco 'GB-5/FB-80' Steam Valve Stem cimbali/m-20-lever-group as it's part of the

as it's part of the boiler's pressure-relief circuit

Ascaso Barista T Plus

Fits: Grimac Zola

and support them in real cafés

La Marzocco 'GB-5/FB-80' Steam Valve Stem cimbali/m-20-lever-group as it's part of theLa Marzocco GB 5 FB 80 Steam Valve Stem (5 O ring Version) Current style steam valve stem for the GB 5 and FB 80, used on machines from serial #5000 onward as well as on earlier valves that have been retrofitted to the 5 o ring configuration. Machined with an M4 hole for the shaft spring guide. COMPATIBILITY Fits: La Marzocco GB 5 and FB 80 steam valves, serial #5000 and later, or any valve retrofitted to the 5 o ring version Replaces: La Marzocco