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La Marzocco KB90 AV Auto-Volumetric Espresso Machine


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Optimize for on-bar efficiency and barista ergonomics the KB90 comes with top-of-the-line electronics, Performance Touch steam wands, Auto-Steam Flush, and the revolutionary Straight-In Portafilter.

  • Financing Available (Learn More)
  • Free 13-Month Warranty
  • Free Installation
  • Free Shipping 
  • Price Match Guarantee
  • Authorized La Marzocco Dealer
  • 100% Satisfaction Guaranteed!


  • Configurations: Auto-volumetric and Auto-volumetric with scales (auto brew ratio / ABR)
  • Ideal for high volume coffee environments
  • Straight-in portafilter: Designed to simplify the motions required to engage the portafilter and reduce the strain by 12 times on the barista for even greater performance and everyday usability
  • Dual boiler system: Separate boilers optimize espresso brewing and steam production
  • Independent brew boilers: Separate boilers for each group head allow the barista to optimize temperature for individual coffees
  • PID temperature controller: This allows you to electronically control coffee and steam boiler temperature
  • Saturated group design: Ensure unsurpassed thermal stability
  • Thermal stability system: Brew water is pre-heated before entering the boiler for increased temperature stability
  • Certifications UL-197, NSF-8, CAN/CSA-C22.2 No. 109
  • Includes machine, external rotary pump, accessory box, portafilters, baskets, blind basket, tamper, 3/8″ braided steel water line, 3/4″ flex drain tube, short rubber feet/legs, standard stainless steel feet/legs
  • Water filtration is required (sold separately)


  • Steam flush: Keeps the group clean with an automatic burst of steam and a flush of hot water between extractions
  • Pro touch steam wands: High performing steam wands that are cool to the touch
  • Easy rebuild steam valve: Engineered so the valve can be serviced directly from the front of the machine without needing to be removed
  • Hot water economizer: Enables you to fine-tune the tap water temperature for rinsing
  • Digital display: Intuitive programming makes it easy to adjust machine parameters
  • Barista Lights: LED lighting allows you to focus on your extraction and the cup


  • Voltage (VAC, phase, Hz) 208-240, 1, 60
  • Amperage (A) 30
  • Element Wattage (W) 5400
  • Coffee Boiler (liters) 1.3×2
  • Steam Boiler (liters) 7
  • 20.75″H x 32″W x 24.5″D, 170 lbs.


  • Voltage (VAC, phase, Hz) 208-240, 1, 60
  • Amperage (A) 50
  • Element Wattage (W) 7300
  • Coffee Boiler (liters) 1.3×3
  • Steam Boiler (liters) 7
  • 20.75″H x 41.5″W x 24.5″D, 223 lbs.


Precision scales incorporated into the drip tray improve beverage consistency by stopping the extraction based on mass. The machine uses an algorithm called Drip Prediction to improve shot accuracy and ease of dialing in.


  • KB90 Product Sheet
  • KB90 Manual
  • KB90 Parts Catalog


Shipping lead time is 4-6 weeks. Contact with questions. This is a free shipping, freight-only item and must ship to a lower 48 address to qualify.

Installation Package includes up to 5 hours of certified technician service labor. We will provide a certified technician for your area.


  1. Plumbing, drain, and electrical must be in place and complete per the manufacturer’s installation specs before installation.
  2. Water filtration is required and not included in the installation package.

The installation package does not include general construction services (including but not limited to electrical wiring, water and drain plumbing, drilling countertops, the installation of other equipment, etc.). Additional travel costs may be required for locations outside of major metro areas.

PLEASE NOTE – This equipment is for professional use only and must be installed in locations where its use and maintenance are restricted to trained personnel. While the equipment is easy to use after install, it must be installed by a factory-certified technician with proper water filtration to validate the warranty.

WARRANTY INFORMATION – All new machines include a 13-month parts and labor warranty.

Please Note: Images are for representation. This machine is not available for expedited shipping at this time. 

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