Add a 5 lb bag of custom roasted coffee to your parts order and get an extra 25% off our wholesale coffee prices!

Mazzer M28820

Mazzer M28820 Multi Turn Potentiometer w/ Wiring, Red R

Regular price $126.18

This part ships directly from Mazzer 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 precise dosing control of your Mazzer espresso grinder with the genuine Mazzer Multi Turn Potentiometer w/ Wiring, Red R (Part \# M28820). This essential OEM component is specifically engineered to replace worn or faulty potentiometers, which are crucial for regulating the grind time or dosing volume on electronic Mazzer models. **Is your Mazzer grinder dosing inconsistently?** A failing potentiometer is often the culprit, leading to unreliable shot weights and wasted coffee. Key features include a multi-turn design for extremely fine adjustments, pre-installed "Red R" wiring for easy plug-and-play installation, and durable construction built to handle the high-cycle demands of commercial settings. This potentiometer ensures your grinder delivers the exact, repeatable doses required for peak espresso extraction.

The primary benefit of replacing your old sensor with this genuine OEM part is the immediate restoration of precise, digital control over your dosing parameters. Consistent dosing is foundational to quality espresso, eliminating the variability that frustrates baristas and compromises shot flavor. Usage involves careful replacement of the old unit within the grinder's electronic assembly, immediately solving the common problem of **why is my Mazzer grinder over-dosing or under-dosing?** Investing in this high-quality Mazzer potentiometer (M28820) minimizes downtime, extends the life of your equipment, and guarantees accurate volumetric or time-based dosing, ensuring every espresso puck is perfectly prepared.

Designed for perfect compatibility with various electronic Mazzer grinders, this potentiometer is a small part with a massive impact on performance. The unit's specific design, including its multi-turn mechanism, allows for the highly granular control necessary for specialty coffee calibration. If you are struggling with **inaccurate Mazzer timer settings**, this M28820 component is the definitive, factory-specified solution. Ensure your espresso program operates at its highest level of precision with this critical electronic replacement part, available now at 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

This Part #M28820 fits Mazzer machines. 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.

Compatibility for this specific Mazzer part is currently being indexed. Because many parts from this manufacturer are cross-compatible, we rely on technical feedback. If you know this is a match for a specific machine, please contact us to help us verify and add it to our list.

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 Mazzer including this multi turn potentiometer w/ wiring, red r ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #M28820 is a 100% genuine OEM component sourced directly from the Mazzer factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Mazzer 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 Mazzer parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Mazzer parts come with a All sales final return policy. Please see our refund policy or chat for more details.

Commercial Coffee Machine Part Manufacturers