La Marzocco 'GS3' Steam Valve Rebuild Kit trending-cafe-supplies/coffee-nerds or grinds only intermittently when

or grinds only intermittently when you jiggle the doser

Cadet and GTM64 grinders

You can also clean it by soaking it overnight in our Espresso Machine Cleaner

Espresso Parts Espresso Machine Cleaner by Puro Caff - 20oz

La Marzocco 'GS3' Steam Valve Rebuild Kit trending-cafe-supplies/coffee-nerds or grinds only intermittently whenLa Marzocco GS3 Steam Valve Rebuild Kit Complete set of wearable parts for rebuilding the La Marzocco GS3 steam valve in one kit. SPECIFICATIONS Includes B. 1. 004. 2, B. 1. 004. 3, B. 1. 004. 4 and B. 1. 004. 5 valve components, two H. 1. 004 o rings (MZ_299), two B. 1. 004. 7 springs, a B. 1. 004. 9 seal assembly, and an H. 2. 002 gasket (AZ_5) COMPATIBILITY Fits: La Marzocco GS3 steam valve INSTALLATION Moderate difficulty rebuild; a technician