Rancilio Kryo OD/MD-50 Burr Set epoca-two-group-parts/epoca-2-3-group-boiler-element-valve Water flow is controlled by

Water flow is controlled by a cross handle

so this can thread on tighter or looser than you'd expect — that's normal

Can I connect it to the La Marzocco Pro App

Fits: Rancilio group heads using this dispersion nut style

Rancilio Kryo OD/MD-50 Burr Set epoca-two-group-parts/epoca-2-3-group-boiler-element-valve Water flow is controlled byRancilio Kryo OD MD 50 Burr Set A factory spec 100Cr6 tool steel burr set for the Rancilio Kryo manual (doser) grinder. Three hole, left hand rotation mounting, sized 63. 45 mm O. D. x 38 mm I. D. SPECIFICATIONS 100Cr6 tool steel 63. 45 mm outside diameter x 38 mm inside diameter Three mounting holes, left hand rotation COMPATIBILITY Fits: Rancilio Kryo OD MD 50 manual (doser) grinder Replaces: Rancilio part #230100055C Works with: MR_25 mounting