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La Marzocco GS3 Espresso Machine

88% of 100
(9) | Q&A
As low as $7,100
  • Automatic or Manual Options Available
  • Dual Stainless Steel Boilers
  • PID-controlled Temperature
  • Optional Plumbing
  • NSF-Rated For Commercial Use
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La Marzocco's GS3 Espresso Machine is designed for the passionate espresso enthusiast who knows the only way to be satisfied is to invest in one of the best machines available. The GS3 is pricey, but its commercial-grade features more than balance the cost: Dual stainless steel boilers, powerful steaming functionality, PID temperature control, volumetric pump and variable hot water temperature regulation to name a few.

  • Dual Stainless Steel Boilers - A 3.5 liter steam boiler produces strong, dry and sustained steam, easily producing latte microfoam. This is complemented by the separate 1.5 liter brew boiler, which allows for excellent temperature consistency and regulation for both operations.
  • Large Internal Reservoir - 3.5 liter reservoir loads from the bottom, resting behind the drip tray, and features an opening for easy refill without removing the entire unit.
  • Convertible Water Source - Use the internal reservoir or set the machine up to directly connect to your location's plumbing.
  • Sophisticated PID Control - Tailoring your brew temperature to achieve the best extract is simple with this digital-displayed PID that utilizes multifunction keypads.
  • No Burn Wands - Double wall insulated stainless steel hot water and steam wands offer easier handling and cleaning.
  • Internal Volumetric Pump - Also known as a rotary vane pump, this quieter pump is designed to maintain a specific volume capacity that is consistently maintained.
  • Saturated Brew Group - Water is distributed evenly across the brew group, resulting in an more consistent pre-infusion and extraction rate, reducing the possibility of channeling.
  • Hot Water Tweaking - Easily select how much cold water you want incorporated into the hot water pulled from the boiler, tailoring your teas or Americanos to your preferred temperature.
  • Monster Drip Tray - If you don't setup the draining kit, no worries -- the huge capacity of the GS/3's drip tray means you won't have to empty it very often.
  • Pros
    • Temperature Control - With the PID interface, you can select your ideal brewing temperature based on the coffee you're using.
    • Steam Power - The GS/3 makes tons of dry steam that quickly and easily creates silky microfoam.
    • Build Quality - The commercial-grade build quality makes this machine a must for your home or cafe.
  • Cons
    • Price - This is one of the most expensive machines that's designed for home espresso. A good workman never blames his tools. You won't regret it :)
    • Size - The GS/3's large size takes up prime countertop real estate. If you've got it, flaunt it! Park that baby front and center.
  • How Does it Compare?
    2017 Update! La Marzocco has made some recent changes to the GS/3 MP version. The new GS/3 MP sports a redesigned conical valve (a common repair point in earlier models), a new brew pressure manometer at the brew head, and a modified pump switch that allows for pre-infusion and manual pressure control when using the reservoir. Both AV and MP configurations now feature a new cool touch steam wand that replaces the teflon inner lining with a double wall stainless steel design.
  • Resources

    Warranty Information

    What it Covers: La Marzocco espresso machines

    Home Use

    • GS/3: 13 months
    • Linea Mini: 2 years

    Warranty Point of Contact: Seattle Coffee Gear

    Contact Information: 866-372-4734 or email at warranty@seattlecoffeegear.com

    Eligible for SCG Extended Warranty? No

    Can SCG Repair? Yes, read more about our repair services

    Commercial Use

    Length: 13 months parts, 90 days labor

    Warranty Point of Contact: Seattle Coffee Gear

    Contact Information: 866-372-4734 or email at warranty@seattlecoffeegear.com

    Can SCG Repair? Yes, read more about our repair services

    Care and Maintenance

    • Clean the brew gasket daily with a cleaning brush.
    • Soap out water tank (if applicable) and drip tray every few days.
    • Perform backflush routine and clean the filter basket each week.

    User Manual


    La Marzocco GS/3 Brew Head Maintenance

    La Marzocco GS/3 Brew Bottomless Portafilter

    La Marzocco GS/3 vs Rocket R58 Dual Boiler

    Compare Dual Boiler Home Espresso Machines

  • Manufacturer
    La Marzocco
  • Width
    15.75 inches
  • Depth
    21.0 inches
  • Height
    15.5 inches
  • Product Weight (lbs.)
  • Watts
  • Volts
  • Programmability
    PID, Pre-infusion, Shot Time
  • Case Material
    Stainless Steel
  • Boiler Material
    Stainless Steel
  • Cup Clearance
    3.5 inches
  • Boiler Volume
    Steam: 3.5 liter | Brew: 1.5 liter
  • Reservoir Size
    3.5 liter
  • Solenoid Valve
  • Cup Tray
  • Portafilter Size
  • Available Portafilters
    Non-Pressurized, Bottomless
  • Warm Up: Brew Time
    15 minutes
  • Boiler Design
    Double Boiler
  • Certified to NSF/ANSI Standards
  • Pod Friendly
  • Water Sources
    Convertible - Internal Reservoir or Plumbed in
  • Auto Shut Off
  • Auto On
  • Pre-Infusion/Aroma
  • Material
    Stainless Steel
About La Marzocco

From top of the line home espresso machines to a wide range of commercial options, La Marzocco delivers. The Italian espresso authority was founded in 1927 in Florence, and has been a premier manufacturer of high-end espresso machines since the very beginning. Classic designs and construction meet incredibile innovations in espresso brewing to build a catalog of beloved machines.

Read more about La Marzocco >

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Customer Rating
90% of 100
100% of 100
96% of 100
As low as $5,100
As low as $5,400
Auto On Yes Yes No
Auto Shut Off Yes No
Available Portafilters Non-Pressurized, Bottomless Pressurized, Non-Pressurized, Bottomless Non-Pressurized, Bottomless
Boiler Design Double Boiler Double Boiler Double Boiler
Boiler Material Stainless Steel Stainless Steel
Boiler Volume Steam: 1.7 liter | Group: .58 liter 1.9 L Brew | 3.6 L Steam 0.17 L brew boiler | 3.5 L steam boiler
Cup Clearance 3.5 inches
Cup Tray Yes Yes Yes
Depth 18 inches | 23 inches with portafilter inserted 20 inches 21.00 inches
Height 16.75 inches with cup rail | 15.75 inches with cup rail removed 17 inches 15.00 inches
Portafilter Size 58mm 58mm 58mm
Programmability PID, Profiles Temperature, PID, Profiles, Pre-infusion, Shot Time, Milk Temperature Temperature, PID
Reservoir Size 2.5 L 2.5 L 2L
Solenoid Valve Yes Yes Yes
Warm Up: Brew Time 20 minutes 15 minutes
Water Sources Convertible - Internal Reservoir or Plumbed in Convertible - Internal Reservoir or Plumbed in Convertible - Internal Reservoir or Plumbed in
Width 12.25 inches to edges of casing | 16 inches including wands | 20 inches with Controller inserted 16.25 inches 14.00 inches
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