11 MM.FERRULE WITH 3.4 MM.HOLE (L137/3)

Restore the integrity of your espresso machine's critical connections with the genuine 11 MM.FERRULE WITH 3.4 MM.HOLE (Part # L137/3). This precision-machined La Marzocco component is essential for creating a secure, high-pressure seal in steam or water lines. Key specifications include an 11mm outer diameter and a perfectly sized 3.4mm inner bore, ensuring optimal compatibility and flow within the machine's complex plumbing system. Using this OEM-quality ferrule is the definitive solution to prevent common issues like "why is my espresso machine leaking water" or "how to fix steam pipe leaks."

This specialized ferrule guarantees longevity and prevents downtime in high-volume commercial environments. When wear and tear compromises your machine, leading to "pressure loss in espresso machine steam wands," the replacement of degraded fittings with the L137/3 ferrule ensures maximum efficiency. Its purpose is to compress and seal tubing within a compression fitting, securing reliable performance and maintaining consistent boiler pressure, which is crucial for perfect espresso extraction. Investing in this small but vital part prevents costly system failures and erratic operation.

Ideal for preventative maintenance and repair on La Marzocco models, the 11 MM.FERRULE WITH 3.4 MM.HOLE (L137/3) provides a snug, reliable fit that resists high-temperature and high-pressure applications. If you are experiencing "weak steam pressure after replacing a gasket," check your fittings. Replace your damaged or worn ferrules with this durable component to quickly and effectively solve sealing issues, ensuring all internal connections remain leak-proof and your machine operates safely and consistently at peak performance.