La San Marco 105 Steam/water Valve Knob - Black browse-common-espresso-machine-parts/ so don't substitute a generic

so don't substitute a generic rubber o-ring here

since it requires pulling the motor and pressing the bearing on/off the shaft

Included in this pack are three essential components:

The Rainmaker™ showerhead distributes water evenly over coffee grounds

La San Marco 105 Steam/water Valve Knob - Black browse-common-espresso-machine-parts/ so don't substitute a genericSteam Water Valve Knob Matte Black La San Marco 105 Matte black version of the control knob for the La San Marco 105 steam and water valve. Threads directly onto the valve stem fitting. COMPATIBILITY Fits: La San Marco 105 (steam and water unit), New 105 multiboiler series, New 105 S E steam water units, Practical Sprint 2 3 4 group "S" models Replaces: La San Marco BPSTA0330 9005M (506414L) INSTALLATION DIY hand tighten onto the valve stem fitting,