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La Marzocco C.1.434

La Marzocco C.1.434 KB90 Scale Box | Fits KB90

Regular price $479.14

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

Ensure unparalleled dosing accuracy and consistency for your La Marzocco KB90 espresso machine with the genuine KB90 Scale Box (Part # C.1.434). This critical OEM component is the central electronic hub that processes real-time data from the integrated scales within the KB90's drip tray, enabling the machine's revolutionary Straight-In Portafilter system to dose espresso shots by precise weight instead of time or volume. Key features include high-precision digital signal processing, a robust, water-resistant housing designed for the demanding café environment, and seamless integration with the machine’s internal control system. Installing this official Scale Box is the definitive solution when experiencing common issues like "La Marzocco KB90 shot weight inconsistency" or "KB90 scale error messages," instantly restoring factory-level precision to your workflow.

The operational benefits of replacing a faulty unit with the KB90 Scale Box are immediate and substantial. By guaranteeing accurate communication between your scales and the machine's brain, you eliminate dosing errors, reduce coffee waste, and achieve superior flavor consistency across every single espresso shot poured. This level of precision is non-negotiable for high-volume commercial settings where repeatable quality drives customer satisfaction. For detailed usage, the Scale Box ensures that the KB90’s auto-purge function and volumetric programming are perfectly calibrated to deliver the desired output weight, maximizing productivity and minimizing training time for baristas.

Engineered to the exact specifications of the La Marzocco KB90, this Scale Box ensures maximum compatibility and longevity. If you need to "replace KB90 Scale Box," trust only the OEM part to prevent further electronic malfunction. This component manages the critical connection between the scale load cells and the dosing software, guaranteeing that your machine operates as intended. Maintain the advanced performance of your flagship La Marzocco equipment with this essential replacement part from Kaldi.com, your source for professional espresso machine components.

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

This Part #C.1.434 fits La Marzocco machines, including the KB90 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.

Our current database shows fitment for the KB90 series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #C.1.434 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.

Parts from La Marzocco including this kb90 scale box ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #C.1.434 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.
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.
All La Marzocco parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All La Marzocco parts come with a 30 day return policy. Please see our refund policy or chat for more details.

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