La San Marco Professional Espresso Machines and Grinders

In traditional espresso service, the machine and the grinder manage two separate parts of the same recipe. The espresso machine determines the water's temperature, pressure, and volume; the grinder determines the flow resistance of the coffee bed. La San Marco espresso machine prices vary based on heat-exchanger or multiboiler architecture, group count, lifting system, electronic dosing, and the burr structure of the paired grinder.

La San Marco is an Italy-based brand that has been producing professional espresso equipment since 1920. The brand is particularly known for its history in traditional lever espresso machines; its current range also includes electronic portafilter machines and professional coffee grinders. The active lineup on Mutfak10 is focused on the Delecta and the two-group La D. Multiboiler machines.

Two-Group Traditional Service with the Delecta

The Delecta is positioned as La San Marco's accessible professional espresso platform. Its two-group structure helps operate with multiple portafilters at once and manage busy restaurant-café service.

The machine offers four programmable coffee doses. When the barista presses the defined button for single or double espresso, the machine can stop the flow once it reaches the set water volume.

Programmed dosing does not measure coffee weight or grind. The portafilter should be prepared in a separate grinder, the coffee should be distributed evenly, and it should be tamped by the barista.

The Delecta's hot water outlet can be used for tea, Americano, or cup preheating. Heavy hot-water demand should be evaluated together with the thermal reserve in the steam boiler.

How Does the Heat Exchanger System Work?

The Delecta is built on a heat-exchanger boiler architecture. While the main boiler produces steam and hot water, espresso water is carried to the groups through a separate circuit within the boiler.

Thermosiphon circulation helps keep the group head at its operating temperature. After a long idle period or during very busy service, the barista should verify group behavior against the actual espresso recipe.

A heat-exchanger system can offer a straightforward professional solution for businesses with a fixed menu, high steam needs, and a preference for traditional operation. For coffees requiring different temperatures at each group, a multiboiler system offers broader control.

Independent Temperature with the La D. Multiboiler

In the multiboiler version of the La D. series, in addition to the hot water-steam boiler, there is an independent coffee boiler for each espresso group. This structure helps groups operate at different temperatures without affecting each other.

The active La D. products on Mutfak10 are listed as a two-group Multiboiler in different body colors. Brown, English green, and pearl white options can adapt the technical platform to the bar's design.

Separate temperature per group allows different beans or roast profiles to be prepared on the same machine. A higher target can be used at one group and a lower one at the other.

Temperature separation only provides an advantage if the recipe is genuinely different. If both groups use the same coffee and temperature, the decision should be based on capacity, thermal stability, and future menu plans.

Pressure Profiling with the La D. Variable

The La D. Multiboiler Variable configuration adds programmable pressure profiling to temperature control. The barista can digitally manage the pressure curve at the start, main flow, and finish stages of extraction.

A low-pressure start can help the coffee bed become controllably wetted before the main extraction. The profile does not fix an incorrect grind or uneven tamp.

It should not be assumed that the D. Multiboiler products on Mutfak10 are the Variable version. If pressure profiling is required, MBV or the related technical designation should be sought in the exact model name.

La San Marco's Lever Espresso Tradition

La San Marco has a long production history in professional machines using a spring lever system. The barista pulls the lever down to fill the group cylinder; when released, the spring moves the piston to create espresso pressure.

Spring-lever pressure naturally varies compared to the fixed profile of a pump-driven machine. The resistance of the coffee bed is managed through grind, dose, and tamp.

Current La Leva Luxury and 20/20 Leva systems feature a safety-focused lever technology called CLASS. Since the lever contains a high-energy spring, it should only be used by trained staff.

64 and 84 Millimeter Burrs in La San Marco Grinders

SM 92 grinders use a 64-millimeter flat burr and a motor of approximately 1,350 RPM. The SM 97 class offers approximately 880 RPM operation with an 84-millimeter flat burr.

A larger burr can provide a wider grinding surface at high espresso volume. Burr diameter alone is not a guarantee of particle quality or daily capacity. Motor, ventilation, and actual dosing time should be evaluated together.

SM TK models may feature an 84-millimeter conical burr. Conical and flat burrs create different particle distribution, motor speed, and grinding behavior. Selection should be based on the cup recipe and service volume.

On-Demand and Doser Grinders

In an on-demand grinder, coffee is ground directly into the portafilter at the time of order. Electronic dosing time can be programmed separately for single and double espresso.

In a doser grinder, ground coffee accumulates in a separate hopper and is dispensed into the portafilter via a mechanical lever. It can provide a high-speed classic service arrangement; coffee should not be left sitting in the hopper for a long time.

La San Marco's Standard Doser family includes the SM 92, SM 97, and SM TK automatic models. The On Demand Instant family is aimed at fresh dosing and electronic adjustment.

Smart Instant Portafilter Recognition System

The Smart system used in the SM 92 Smart Instant and SM 97 Smart Instant models is aimed at recognizing whether the portafilter has a single or double spout and selecting the appropriate dose accordingly.

The Hands Free system holds the portafilter on a fork during grinding, freeing the barista's hands for other preparation steps.

Automatic recognition does not weigh the actual coffee gram amount in the basket. Grinding time should be re-verified with a precision scale when the bean or setting changes.

On Demand Smart Premium Features

La San Marco's current premium grinders may feature a 3.5-inch touchscreen, stepless micrometric adjustment, and portafilter recognition.

A zero-retention-focused burr design, fixed on the opposite side of the cutting face, and an anti-clump system are aimed at limiting coffee residue and clumping in the grinding channel.

Forced ventilation helps manage the grinding chamber's temperature during busy service. Ventilation openings should not be blocked by a wall or a coffee package.

How Should an Espresso Machine and Grinder Be Chosen Together?

A two-group machine's peak capacity can be limited by a single slow grinder. The need for separate grinders for the main espresso, a second bean, and decaf products should be calculated.

The heat-exchanger Delecta can be considered for a fixed menu and straightforward service, while the La D. Multiboiler can be considered for different temperature recipes. Grinder burr diameter and dosing system should be matched to the daily espresso count.

Water and Daily Group Maintenance

Professional La San Marco machines should be installed with a suitable water filter, mains pressure, and drainage. Hardness and alkalinity affect both limescale buildup and espresso flavor.

The group gasket and shower screen should be brushed daily; backflushing with a blind filter should be performed if the machine's structure allows it. Portafilter baskets should be cleaned of coffee oil.

The grinder hopper and outlet channel should be cleaned against coffee-oil buildup; water or wet cleaning products should not be applied between the burrs.

Key Features

• Traditional pump-driven and lever-based professional espresso machine experience since 1920
• Two groups, a heat-exchanger system, and four programmable coffee doses on the Delecta
• Independent temperature per group on the La D. Multiboiler, and pressure profiling on selected MBV models
• 64- or 84-millimeter flat or conical burrs and on-demand options on SM grinders

How Should a La San Marco System Be Set Up?

First, espresso, milk, and hot-water demand during the busiest 15 minutes should be calculated. The machine's group count, boiler system, and number of grinders are selected based on this actual order load.

The term "fully automatic" in Mutfak10 product names refers to electronic water dosing on traditional machines. It should not be interpreted as bean-to-cup operation that grinds the bean itself.

La San Marco on Mutfak10

The current colors and packages of the Delecta and La D. Multiboiler products can be reviewed on the La San Marco espresso machines page of Mutfak10, operated by Arlinoks. Group, boiler, and the full technical configuration should be confirmed before ordering.

Frequently Asked Questions

What is the difference between the La San Marco Delecta and the La D. Multiboiler?

The Delecta, with its heat-exchanger boiler, is aimed at straightforward, traditional two-group service. The La D. Multiboiler assigns an independent coffee boiler to each group, offering different temperature recipes.

Does the La San Marco Smart grinder dose coffee by weighing it?

The Smart system detects the portafilter type and selects the programmed single or double dose. The dose is mostly managed via grinding time, and the actual coffee gram amount should be verified with a scale.

Does the La San Marco lever machine use a pump?

Espresso pressure is created by a spring piston-lever system. Different pumps may exist in the machine's water-filling or other auxiliary circuits; the spring mechanism determines the extraction character.