La Marzocco Linea/FB-70 Steam Valve Re-build Kit /cafe-supplies-sinks dulling burrs show up as

dulling burrs show up as grind size drifting coarser over time at the same setting

even for the average consumer who grinds their own coffee on a shopping trip with children in tow

You should be aware that certain modifications may under certain circumstances void equipment warranties

Fits: Faema and La Marzocco steam/water valve assemblies

027 (previously B

La Marzocco Linea/FB-70 Steam Valve Re-build Kit /cafe-supplies-sinks dulling burrs show up asLa Marzocco Linea FB 70 Steam Valve Rebuild Kit A complete rebuild kit for the La Marzocco Linea and FB 70 steam valve, including the brass piston shaft with gasket, piston spring, spring bushing, two small piston shaft o rings, two larger valve body articulation o rings for wand movement, a cotter pin, and the copper valve body crush washer. La Marzocco recommends servicing this valve every three to four months to keep it moving smoothly and sealing