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La Marzocco KB90 - Auto-volumetric (AV) 2 Group Espresso Machine

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Model: La Marzocco KB90 AV

About the Product

La Marzocco KB90 – 2 Group – Auto-volumetric (AV) 


Coffee Machine Depot USA proudly presents the La Marzocco KB90 – 2 Group – Auto-volumetric (AV), a groundbreaking espresso machine designed to optimize barista workflow through improved ergonomics and innovative features. Building on the success of the Linea PB, the KB90 introduces the Straight-In Portafilter to minimize the strain associated with repetitive stress injuries, enhancing barista comfort and efficiency. 

The KB90 – 2 Group – Auto-volumetric (AV) also features the advanced Steam Flush system: after each extraction, a burst of steam followed by a hot water flush purges the brew path. This keeps the group heads clean throughout even the busiest periods, ensuring peak machine performance and consistently high-quality espresso shots. 


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  • Dual Boiler System: This feature includes separate boilers to optimize espresso brewing and steam production, ensuring efficiency and precision in temperature control. 
  • PID Temperature Controller: With this technology, you can electronically control the temperatures of both the coffee and steam boilers, allowing for perfect brewing conditions every time. 
  • Thermal Stability System: Our machine pre-heats brew water before it enters the boiler, significantly increasing temperature stability for a consistent taste. 
  • Easy Rebuild Steam Valve: Designed for convenience, the steam valve can be serviced directly from the front of the machine without the need for removal, saving time and effort. 
  • Digital Display: The intuitive programming of our espresso machine makes it simple to adjust machine parameters, enhancing usability and flexibility. 
  • Independent Brew Boilers: Each group head comes with its own boiler, enabling baristas to individually optimize temperatures for different types of coffees, enhancing flavor profiles. 
  • Saturated Group Design: This design guarantees unsurpassed thermal stability, delivering consistently perfect shots. 
  • Pro Touch Steam Wands: Our steam wands perform at a high level and remain cool to the touch, preventing burns and ensuring safety during use. 
  • Hot Water Economizer: Fine-tune the tap water temperature for rinsing to suit your specific needs, adding an extra layer of customization. 
  • Barista Lights: Equipped with LED lighting, our machine enhances visibility during extraction, focusing attention on the coffee and the cup. 



  • Width: 32” 
  • Depth: 24.5” 
  • Height: 21” 
  • Weight: 170 lbs 
  • Voltage: 208-240,1, 60 (VAC, phase, Hz) 
  • Element Wattage: 5400, 5700 
  • Steam Boiler Capacity: 7 liters 
  • Brew Boiler Capacity: 1.3 x2 
  • Amp Service Required: 30 amps 
  • Certifications: UL- 197, NSF-8, CAN / CSA-C22.2 No. 109


    Water Filtration & Specifications:

    For optimal performance, the KB90 can be plumbed directly into a water line, ideally with reverse osmosis (RO) water, to meet specific TDS requirements. Recommended water specs include T.D.S of 90-150 ppm, Total Hardness of 70-100 ppm, and a pH range of 6.5-8, among others.

    Ideal Environments:

    The KB90 is perfect for high-volume settings such as coffee shops, bakeries, restaurants, and bars, offering unparalleled efficiency and style.



    La Marzocco's commitment to excellence is further underscored by a 12-MONTH WARRANTY PERIOD for its espresso machines, assuring customers of support and reliability from the moment of purchase. This warranty period reflects the brand's confidence in the durability and quality of their handmade machines, promising peace of mind and satisfaction for baristas and coffee shop owners alike.


    La Marzocco, with its origins in Florence, Italy, stands as a testament to the art and tradition of espresso making, emerging during a time when wine was preferred over coffee. Its pivotal partnership with Starbucks in the mid-1990s marked La Marzocco's significant influence on the American coffee landscape, inspiring a wave of dedicated baristas and coffee shop owners to adopt its commercial espresso machines for their unmatched quality and performance. Known for their handmade precision, reliability, durability, and timeless aesthetics, La Marzocco's espresso machines embody the brand's commitment to excellence. This dedication has made La Marzocco a symbol of specialty in the coffee industry, offering an exceptional experience with every cup, and solidifying its role as a key player in shaping global coffee culture.


    Warning: Proposition 65 Warning — Applies to the State of California Only. LEARN MORE >

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