Swift Grinder Tamper Impeller mazzer-astoria-rio-espresso-grinder-parts/mazzer-robur-e-grinder-parts installed backwards it won't seal

installed backwards it won't seal evenly and you'll get channeling on one side of the puck

so the piston's fit and finish do the sealing

Replaces: Rancilio part #38123034

The most common clamp-flange rotary vane pump motor on the market

Swift Grinder Tamper Impeller mazzer-astoria-rio-espresso-grinder-parts/mazzer-robur-e-grinder-parts installed backwards it won't sealTamper impeller for La Marzocco Swift grinder, one per grinder. Fast shipping when in stock. When out of stock this becomes a special order item and typically requires 2 4 weeks for processing prior to shipping. Specifications: Single impeller La Marzocco # 5. 331 Compatibility: La Marzocco Swift grinder Installation: Direct replacement Pro tip: Inspect for wear during routine maintenance.