Restore the clarity and control of your La Marzocco espresso machine's hot water dispensing with the genuine KNOB INSERT, WATER (Part \# L165/MA). This small but essential OEM component is designed to fit precisely into the hot water knob, typically featuring the blue marker or water symbol that ensures quick, accurate identification for baristas. A critical replacement when the original insert is faded, lost, or damaged, it helps **solve the problem of confusing steam and water knobs**, maintaining workflow efficiency and preventing operational errors in a busy cafe environment. Engineered specifically for La Marzocco models, this insert guarantees a perfect, flush fit and authentic appearance. The KNOB INSERT, WATER (L165/MA) boasts durable construction, resisting the constant heat and moisture exposure typical of a commercial espresso machine environment. Key specifications include the Item No. L165/MA, its function as a visual identifier for the water valve, and its precise compatibility with various La Marzocco water knobs. **If your espresso machine knob marker is missing**, replacing it with this OEM part is the fastest way to ensure intuitive operation. Consistent, reliable function relies on every part working as intended, and this insert plays a key role in the user interface. For proper usage, simply snap the L165/MA knob insert into the designated recess on your hot water dispensing knob. By ensuring the correct water/steam identification, this replacement part minimizes operator error, which is vital for both safety and beverage consistency. Purchase this genuine La Marzocco replacement part today from Kaldi.com to **fix confusing hot water controls** and preserve the professional look and usability of your high-end commercial espresso equipment.