La Marzocco GS3 1 Group Manual Paddle

By La Marzocco

La Marzocco GS3 1 Group Manual Paddle

By La Marzocco

The La Marzocco GS3 MP is the best of the best. Its gorgeous design, pressure profiling paddle group, mammoth capacities, optional plumbed operation, intricately thoughtful features, and, let’s be honest, serious bragging rights, raise the GS3 to its position at the highest echelon of home espresso machines.


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Owning the La Marzocco GS3 MP

If you’re after the Maserati GranTurismo Coupe of espresso machines, look no further than the La Marzocco GS3 MP. This feat of engineering has the best of everything, including a dual boiler and rotary pump dream team. An update from the earlier model, the steam wand is double walled, but with steel instead of plastic, which maintains its cool touch without sacrificing steam temperature, leading to a much dryer steam. The steam is powerfully dispensed with the press of a lever, which takes some getting used to, but, once you do, you can achieve a really excellent microfoam. Front and center, both in our sight and admiration, is the paddle operated, saturated group. Resting atop it is a manometer, which reflects the pressure in the group during brewing. Inside the group there is a conical valve which opens as you turn the paddle from right to left, and you can restrict the flow however you like. For instance, we like to do a light 3 bar pre-infusion, ramp it up to 6, then to 9, before gradually closing the valve. The paddle group is an excellent way to experiment. You can mimic the flow on a traditional lever machine to make a comparable old timey shot; you can severely restrict the flow to pull a ristretto and really bring out the flavor notes on a single origin coffee; you can even [insert your great idea here]. Truly, it doesn’t get any better than the GS3 when it comes to intuitively pressure profiling your shots.

Internally, the GS3 is thoughtfully laid out, with the near silent rotary pump lying in between the giant PID-controlled 3.5 liter steam boiler and 1.3 liter brew boiler. You can choose to use your GS3’s 3.5 L reservoir, or opt for plumbed in operation. Whereas before pre-infusion could only be accessed during plumbed operation, the GS3 MP has been updated to offer pre-infusion capabilities during either plumbed or reservoir operation. Excess flow from the group during pre-infusion or low pressure brewing is routed into the large drip tray, which can be removed for cleaning or to access the pull out reservoir for refilling. La Marzocco has programmed the GS3 to alert users to low water levels on the display, and cut off operation until the machine is refilled so as to avoid damage. Using the GS3 is intuitive, though it can be intimidating at first. The machine is ready to brew when its keypad buttons are backlit. Using the keypad, you can program brewing preferences, such as brew and steam temperatures, as well as set the clock, program automatic on/off times, etc. Boiler temperatures, language, temperature units, and the water filter alarm can all be altered as well, though it isn’t recommended as they control the GS3’s performance. The La Marzocco GS3 MP is the best of the best. Its gorgeous design, pressure profiling paddle group, mammoth capacities, optional plumbed operation, intricately thoughtful features, and, let’s be honest, serious bragging rights, raise the GS3 to its position at the highest echelon of home espresso machines.

Manual Paddle Group

Manual Paddle Group

Unique to the GS3, the paddle group features a dedicated manometer, which displays the group pressure in real time to allow for informed pre-infusion and pressure profiling. Inside the group there is a conical valve which opens as you turn the paddle from right to left, allowing you to restrict the flow however you like. Excess water and pressure is routed into the drip tray.

PID Controlled Dual Boilers

PID Controlled Dual Boilers

The GS3 MP features mammoth 3.5 L steam and 1.3 L brew boilers. These stainless steel boilers are monitored by a digital PID controller for the ultimate temperature stability. Each boiler’s temperature can be altered, though it’s not recommended; instead, we suggest altering the brew and steam temperatures at the group and in the wand, easily done using the GS3’s touchpad.

Direct Water Line Connection

Direct Water Line Connection

The GS3 MP allows you to choose between plumbed and reservoir operation. During plumbed use, pre-infusion is accomplished using passive pressure from the water line, while back pressure from the pump is harnessed for reservoir-use pre-infusion. For plumbed operation, we recommend installing a BWT filter inline to prevent scale build up and improve coffee taste.

Rotary Pump

Rotary Pump

The GS3 MP’s powerful rotary pump is nearly silent as it kicks on to deliver 9 bars of pressure for brewing. When pre-infusing or pressure profiling during brewing, excess pressure and water is routed away from the group and into the drip tray. As an added benefit, the pump is self-priming, and easily supports plumbed or reservoir operation.

Specifications

Property Value
SKU LMGS3PG-WLL
Boiler Configuration Independent Steam and Brew
Number of Boilers 2
Boiler Features Brew & Steam Simultaneously
Brew Boiler Material Stainless Steel
Brew Boiler Type Medium Volume
Brew Boiler Volume (Oz) 44
Three-Way Valve Automatic
Brew Group Material Brass
Brew Group Size (mm) 58 mm
Brew Group Type Paddle
Recommended Application Home / Residential,Commercial,Small Office (1-10 Users),Medium Office (11-25 Users)
Display Type LEDs
Controls and Additional Features Automatic Shut-Off,Clock / Timer,Digital Display,Low-Water Warning,Power Light,Pressure Gauge(s),Programmable Power On,Programmable Power Off,Temperature Control
Pressure Gauges Brew Circuit,Steam Boiler
Type of Controls Electronic,PID,Push Button
Cup Warmer Material Stainless Steel
Cup Warmer Passively Heated
Drip Tray Cover Material Stainless Steel
Drip Tray Material Stainless Steel
Portafilter Baskets Included Single,Double,Triple
Frame Material Steel
Housing Color Stainless Steel
Housing Material Stainless Steel
Recommended Water Filter No Filter Required
Depth (Inches) 21
Height (Inches) 15
Weight (Lbs) 72.75
Width (Inches) 16
Filter Diameter (mm) 58
Portafilter Handle Material Plastic
Portafilter Material Chrome Plated Brass
Number of Portafilters Included 2
Ground, E.S.E., Pod and Capsule Compatibility Ground Coffee
Portafilter Type Commercial Style
Pump Type Rotary Pump
Amps 20
Volt 110V-120V (US)
Watts 1600
Steam Boiler Material Stainless Steel
Steam Boiler Type Large Volume
Steam Boiler Volume (Oz) 118
Steam Wand Features No-Burn
Steam Tip Hole Count 4
Steam Wand Material Stainless Steel
Steam Wand Movement Type Fully Articulated
Steam Wand Commercial Style
Water Reservoir Access Location Front
Water Reservoir Capacity 3.5
Water Reservoir Features Removable
Water Reservoir Material Plastic
Water Source Reservoir and Water Line

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