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La Marzocco Linea Espresso Machine

La Marzocco Linea Espresso Machine

La Marzocco Linea Espresso Machine
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La Marzocco
Technology Meets Legendary Craftsmanship

La Marzocco Logo

La Marzocco is the official sponsor of World Barista Championship

Handcrafted in Florence, Italy in the traditions of
quality, reliability, technology, innovation, and design,
La Marzocco espresso machines have been brewing
superb espressos since 1927. La Marzocco is highly
regarded as the gold standard in the specialty
coffee industry.


The Historical Classic

A heavy-duty machine with a linear design which has helped to establish the most prestigious independent coffee bars as well as global leaders in specialty coffee retail. Thanks to dual-boiler technology and saturated brew groups, the Linea ensures an extremely stable temperature and maximum steam capacity. These are the reasons why the Linea has, over time, become a benchmark in the professional espresso coffee machine industry.
Saturated Brew Group
Dual brew and steam boilers operate at independently controlled temperatures
Saturated brew groups made of solid stainless steel provide the most stable thermal mass
• Extensive backup and bypass features allow uninterrupted service even during maintenance or service

Dual Boiler System

Water Flow Diagram in La Marzocco's Dual Boiler System

3D Rendering of La Marzocco's Dual Boiler System

La Marzocco's dual boiler system provides ample milk steaming power while maintaining optimum brewing temperature. Introduced by La Marzocco in the original GS series in 1971, this system revolutionized commercial espresso machines.

Espresso machines have two primary functions, brewing espresso and steaming milk, each with its own ideal temperature. In the commonly used heat exchanger system, the brew water reaches the boiling point by means of thermal equilibrium, and thus burns the coffee during brewing. Also, the brew water experiences significant temperature fluctuations during high volume due to its indirect heating model. Most heat exchanger systems on the market are made of brass or other economical materials.

In La Marzocco's dual boiler system, a dedicated boiler produces steam and another heats brew water. This allows independent temperature control of the brew water from the steam. It also produces ample power to meet high demands of milk steaming. All La Marzocco boilers are made of high quality stainless steel, both durable and effective in maintaining temperature.

Saturated Groups

La Marzocco's Brew Water Boiler with Welded Saturated Group Heads
Old Saturated Group Drawing
La Marzocco Saturated Group Drawing from 1979 (old bolted group shown)

La Marzocco's patented saturated group design is instrumental in delivering consistent brew water temperature during the brewing process.

Conventional group head design features a large block of brass or other metals with indirect heat from the boiler via conduction. This results in cooler temperatures further away from the boiler point of attachment, thus affecting the brew water temperature as it travels to the coffee.

La Marzocco's saturated group design eliminates such temperature discrepency by thermally incorporating the brew boiler and the group head essentially as one. Constructed of stainless steel and welded onto the brew boiler, the saturated group acts as an extension of the brew boiler, with the same operating temperature. During brewing, water is drawn from inside the group head and travels through a tube and passes through the diffuser block and screen where it then meets tamped coffee.

With the optional Piero Cap Kit, the flowmeter is enclosed entirely within the saturated group head, completely eliminating any external path of the brew water.

Along with the PID control system and dual boilers, thermal stability is contained within +/-0.5°C. With La Marzocco, consistency is the rule, not the exception.
Linea Close Up
Thermal Stability
• Precision thermostat and stainless steel boilers contain temperature variation within +/- 1.0°C
• High quality stainless steel boilers and brew groups
• Sight glass for water level monitoring of steam boiler
Linea Rear View
• Omni-directional steam wands allow more efficient beverage preparation
• Generous space between the group and the drain tray, allowing a greater variety of cup sizes
• All stainless steel construction and handmade in Italy under traditions of award-winning craftsmanship
Linea 1 Group automatic (AV) or semi-automatic (EE)
Linea 2 Group automatic (AV) or semi-automatic (EE)
Linea 3 Group automatic (AV) or semi-automatic (EE)

Linea 4 Group automatic (AV) or semi-automatic (EE)

Engineering 1 Group 2 Group 3 Group 4 Group
Stainless steel boilers 2 2 2 2
Boiler capacity (brew/steam) 1.8 / 3.5
3.4 / 7.0
5.0 / 11.0 liters 3.4 x 2 / 14.5 liters
PID temperature control No No No No
Brew water pre-heating system No No No No
Saturated brew groups Yes Yes Yes Yes
Construction Stainless steel Stainless steel Stainless steel Stainless steel
Digital LCD display No No No No
Multifunction keypads No No No No
Omni-directional steam wands 1 2 2 2
Hot water dispenser Yes Yes Yes Yes
Temperature increments Manual Manual Manual Manual
Programmable pre-infusion Yes Yes Yes Yes
Shot chronograph No No No No
Leg height 4.0 - 5.5" 4.0 - 5.5" 4.0 - 5.5" 4.0 - 5.5"
Height 21" 21" 21" 21"
Width 20" 28" 37" 46"
Depth 23" 23" 23" 23"
Weight 97 lbs 128 lbs 163 lbs 203 lbs
Voltage 208-240 V, single
208-240 V, single
208-240 V, single
208-240 V, single
Amperage 15 A 25 A 35 A 45 A
Wattage 2500 W 4600 W 6100 W 8000 W