Rancilio Lever Piston Spring X classe-9-parts/classe-9-pump-and-heating-element Replacement control knob for the

Replacement control knob for the steam and hot water valves on the La Marzocco Linea Mini

adjustable in height

Expert Guide by Emma Sage

Custom bent tubing required during install

SKU: 30COMP_BLACK_58F

Rancilio Lever Piston Spring X classe-9-parts/classe-9-pump-and-heating-element Replacement control knob for theThis Rancilio Lever Piston Spring (OEM #39120014) is the high tension compression spring that powers piston movement and lever return in commercial Rancilio lever espresso group heads. At 44 mm diameter 168 mm length, it delivers the precise force needed for smooth operation and consistent extraction pressure across high volume service. Fast shipping when in stock. When out of stock this becomes a special order item and typically requires 2 4 weeks