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La Marzocco C.1.578.4 LINEA CLASSIC S - Button Panel 4GR AV

Name: La Marzocco C.1.578.4 LINEA CLASSIC S - Button Panel 4GR AV
Brand: La Marzocco
SKU: LM:C.1.578.4
Price: 772.38 USD
Availability: InStock

$772.38

This part ships directly from La Marzocco and stock is not guaranteed. Lead time averaging 7 to 9 business days for ground shipments, 1 to 2 business days for Overnight.

If unavailable, the item will be backordered. If you have any questions check parts sheets below description. Please email or chat to confirm availability prior to ordering.

Description Details

Restore the core interface and consistency of your 4-Group La Marzocco Linea Classic S AV espresso machine with the genuine LINEA CLASSIC S - Button Panel 4GR AV (Part # C.1.578.4). This essential OEM component is the complete replacement for your machine's volumetric control interface, featuring the durable, tactile buttons and precise electronic membrane required for programming and executing consistent espresso shots. Designed specifically for the Automatic Volumetric (AV) model, this panel provides baristas with instant, accurate control over shot volume, which is critical for maintaining quality and efficiency in high-volume settings. Key features include an easy-to-clean overlay, robust construction to withstand heavy use, and seamless electronic integration.

If you are experiencing issues like **"Linea Classic S buttons not working"** or **"4 group volumetric panel failure,"** this genuine replacement panel is the definitive solution. The C.1.578.4 button panel resolves common operational problems such as sticky keys, unresponsive volumetric doses, and error code displays related to the user interface. Installing a new button panel ensures that shot programming is reliable and accurate, eliminating inconsistencies caused by worn-out electronics or water damage beneath the membrane. This guarantees your machine can maintain its precise, programmed doses, solving the frustrating **"La Marzocco volumetric shot inconsistency problem."**

Engineered for flawless compatibility with the La Marzocco Linea Classic S 4-group AV model, the installation of this part ensures quick service turnaround. By replacing a damaged or failing interface, you not only improve operational reliability but also restore the machine's aesthetic appeal. Maintain peak workflow and quality control in your commercial environment with this vital, genuine La Marzocco Button Panel from Kaldi.com.

Descriptions are for reference only. We do our best to fill in the blanks when manufacturers don’t provide descriptions, but details can vary. We strongly recommend checking with the manufacturer for the exact part number you need. Ordering based on the part number—rather than the description—is the best way to ensure compatibility.

Frequently Asked Questions

Is this linea classic s - button panel 4gr av compatible with my La Marzocco machine?

This Part #C.1.578.4 fits La Marzocco machines, including the Linea Classic S series. Compatibility may be specific to the machine's production year and model. Please consult the technical PDFs and compatibility data on this page to confirm a match for your specific unit before finalizing your purchase.

Does this part fit any La Marzocco model not listed above?

Our current database shows fitment for the Linea Classic S series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #C.1.578.4 on a model we haven't listed, please let us know so we can update our records for the community.

If you are unsure of the fit, do not guess. To prevent downtime, please view our Compatible Parts Diagrams to check the exploded view PDF for your specific unit, or message our parts team for assistance.

Is this La Marzocco part C.1.578.4 in stock?

Parts from La Marzocco including this linea classic s - button panel 4gr av ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.

Is this a genuine La Marzocco factory part?

Yes. Part #C.1.578.4 is a 100% genuine OEM component sourced directly from the La Marzocco factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.

What is the lead time for La Marzocco parts?

Lead times for La Marzocco parts typically range from 7 to 9 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.

What is the warranty on La Marzocco parts?

All La Marzocco parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.

What is the return policy on La Marzocco parts?

All La Marzocco parts come with a 30 day return policy. Please see our refund policy or chat for more details.