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La Marzocco GS/3 Espresso Machine

SKU# ESE846A0060

Availability: In Stock


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Quick Overview

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.
La Marzocco GS/3 Espresso Machine

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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.

Features & Functionality of the La Marzocco GS/3 Espresso Machine

  • 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: Stainless steel hot water and steam wands feature 'Cool Touch' technology, decreasing the the burn factor.
  • 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.
  • 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.
  • 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.
  • Aesthetics - The GS/3 is much more utilitarian in its design and style and is not quite as sexy as some of the other machines that are available on the market.
Ease of Use 4
Ease of Care and Maintenance 4
Overall Value for the Money 4
Manufacturer La Marzocco
Width 15.75 inches
Depth 21.0 inches
Height 15.5 inches
Watts 1600W
Volts 110V
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 Yes
Steam Wand Type Traditional Only
Cup Warmer Yes
Available Portafilters Non-Pressurized
Warm Up: Brew Time 25 minutes
Boiler Design Double Boiler
NSF Certified Yes
Pod Friendly No
Water Sources Convertible - Internal Reservoir or Plumbed in
Pre-Infusion/Aroma Yes
Material Stainless Steel

Submit a question directly to owners of this product and ask what they think about it!


La Marzocco GS/3 Espresso Machine
Already Asked: 2 Questions, 4 Answers
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A shopper asked: Enough durability for catering use? I cater out to businesses and parties and would be pulling anywhere from 35-70 shots a gig, working three-four times a week. Mar 11, 2013
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James W: I bought the GS/3 strictly for home use. I wanted a professional/commercial level machine because I got tired of pulling multiple shots with long breaks in between to allow the machine to "catch up." I also wanted a straight forward machine with limited automaticity, i.e. less to go wrong or break. Kapow! The GS/3.

From the research and reviews I did before the purchase, this is every bit as durable as the larger machines La Marzocco makes. I would have no fears about quality... 110% here. Pulling 70 shots will take some time, only because it is a single group machine, but with double boilers it will keep up. The limiting factor will be how quickly you clean your filter, refill and tamp. If you have other catering duties, you may fall behind compared to using a multi-group machine. If you have a barista helping you out, this shouldn't be TOO big a problem though.

One of the nicest features IMHO is the auto-on programmability. I have it set to come on every morning for a couple of hours. That way it is hot everyday. If I want to pull a shot, great, it's ready to roll. If not, it goes back to bed. If I want coffee a couple of hours after it falls asleep, I manually wake it up and it's usually still warm enough to be ready in 15 minutes. I don't know if this would be a factor for catering, but I really enjoy it.

I have not experimented with the PID, but you can change the brewing temperature manually to adjust for your different bean profiles. I don't know how much you would be changing beans, but this is a great feature for the perfectionist.

Bottom line, I think this machine really will handle anything the larger ones can handle aside group numbers. Plus, you can throw it in the trunk and take it with you on your next outing! I love mine.
Mar 12, 2013
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Robert S: I am truly amazed by the capacity of the GS/3. Although I use it only in my home for family and friends, 12 at once being the most, this machine produces espresso without any delay. Once it has warmed up, I can easily produce one shot per minute when the company is thirsty. Speed is limited more by the grinder and my inefficient tamping. Keep in mind that the GS/3 is a heavy beast: You don't want to carry it very far. It also produces about the best tasting espresso I have ever had. It and my Steinway grand are my two most treasured possessions. Mar 12, 2013
Reply to Robert Good answer? Yes (0) No (0)
Alison S: The machine itself can absolutely handle the load. I think the only way you could do better would be to buy a commercial La Marzocco like they use in coffee shops.

Your biggest challenge will be water as the reservoir only holds enough for maybe 5-6 pulls with milk frothing. Be prepared to refill regularly or you could hook it up with a hose to a faucet - although then the water wouldn't be filtered and the build up would likely occur faster.

Ultimately, this is an amazing machine that has not let us down with daily use over the past year - including a few major events where the machine was put to use extensively. I truly don't know that we could ever top it in our home.
Mar 12, 2013
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A shopper asked: To fully utilize the Pre-infusion does the machine have to be plumbed? Jul 2, 2013
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Teri KStaff: No, you can move the paddle of the La Marzocco GS/3 to the middle position in order to allow water to flow from the brewhead for your pre-infusion even when the machine is not plumbed into your house water supply, and instead using the tank. Jul 6, 2013
Reply to Teri Good answer? Yes (0) No (0)

Looking for warranty, care information, or videos of this product? You're in the right place!


Warranty Information for the La Marzocco GS/3 Espresso Machine

What it Covers:

La Marzocco espresso machines


- 2 Years (GS/3)

- 13 months (All other models)

Who Supports the Warranty: Seattle Coffee Gear
Warranty Contact Information: 866-372-4734 or email at

The GS/3 is eligible for SCG's standard warranty service and support. Read more about what's covered.

All other models are covered by a limited commercial-class warranty, which includes parts only and assistance with coordinating on-site repair services. Please discuss with your commercial sales rep for more information.

Eligible for SCG Extended Warranty?

Yes (GS/3 only).

Can SCG Repair? Yes. Read more about our out-of-warranty repair services.

Caring for the La Marzocco GS/3 Espresso Machine

  • Descale every two to three months. We recommend using Dezcal.
  • 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 Manuals for your La Marzocco GS/3 Espresso Machine

Videos Featuring the La Marzocco GS/3 Espresso Machine

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

Near purrrfect

Review by

Very expensive, high quality and extremely consistent performer. We made the decision to purchase this machine due to the excellent espresso quality it produces even by a novice barista using all the tools provided by the PID. Justification to spend this much came down to an expected long life time of enjoyment. After several weeks of morning lattes and occasional espressos the time saving features and ready to use nature of this machine really stand out and add to our daily pleasure.

The powerful steam means I can steam milk and be finished before the shot is done, of course this makes for a small window to get it just right for latte art, however even during the learning process the results were never far off.

(Posted on 4/28/14)

La Marzocco GS3 MP thoughts after a few weeks

Review by

The GS3 is solidly built and control of the variables on the machine make tweaking your shot a breeze. The controls are well thought out and easily accessible. I think the toggle switch for the steam works much better than a screw valve or having a lever control on the far left of the machine.

The machine is designed very well for placement in the average kitchen. Fitting under cabinets without issue. Overall the machine is designed to fit well in a home environment without sacrificing the technology to make a fantastic coffee.

I upgraded from an Isomac Millennium which was a great machine, and I have made many memorable coffees with it. The GS3 gives me more flexibility and ease to dial in and replicate consistent shots every time. I roast my own coffee so slight differences in the roast are not an issue because of the ease of adjustments on the GS3.

The GS3 is a tool to make fantastic coffee so knowing the tool is everything. Expectations that buying this machine alone will produce great coffee is foolish. The GS3 though makes getting there easy and simple.

I am extremely happy with the GS3 and though expensive the build and quality justify the price. I am able to produce coffee that meets and many times exceeds coffee produced on commercial machines. I recently had a coffee at Intelligentsia and though the shot was very good and pulled on a Synesso Cyncra, it was not as good as I have been able to produce at home. This illustrates that the human variable is the key to great coffee and having a great machine is not enough, but having a great machine can simplify the process without question.

Pros: Good ergonomics, exceeds design requirements for home user, great technology, great fit and finish, great brewing characteristics.

Cons: N/A

(Posted on 10/2/12)

LM GS/3 Paddle after 3 weeks

Review by

Make sure that you buy the double, Strada portafilter basket, and the LM bottomless portafilter. You'll be glad that you did.
Why? The standard LM basket is ridged near the top. That prevents proper tamping unless the basket is filled with 19 or more grams of grounds. The Strada is smooth-sided. The holes are also more uniform in size. That seems to provide a better tasting extraction. The bottomless portafilter seems to provide a better coffee taste. That may or may not be the case. What it definitely does do is allow one to see the coffee extraction. Water channeling and water spraying, which indicate an uneven tamp, are obvious by looking at the bottom of the basket during extraction. So is the coffee's delightful tiger-striped coffee vortex for which LM coffee is noted.

Great Taste, Easy To Use, Commercial Grade, Quick Brewing, Easy To Clean, Quiet, Large Water Container


(Posted on 11/24/11)

La Marzocco GS/3 -- first week

Review by

* How you use the product -- to prepare espresso; hot chocolate; tea. All good!
* Things that are great about it -- quick to heat; two boilers means no waiting. Froth milk or brew coffee when you wish; turns itself on/off; adjustable in more ways than I know.
* Things that aren't so great about it -- flawed portafilter basket design. There is a ridge that blocks proper tamping when using less than 19 grams of coffee grounds in the double basket. As a result, your espresso grind will be all over the map in attempts to correct what turns out to be a tamp issue. Buy an LM ridgeless basket and chuck the stock unit.

Quick Brewing, Quiet, Commercial Grade, Great Taste, Beautiful, Easy To Use, Easy To Clean, Large Water Container

Portafilter basket ridge

(Posted on 11/3/11)


Review by

The GS3 is amazing with lots of coffees, but this is truly a machine designed for specialty coffee. I've worked with commerical La Marzoccos, Synessos, and Simonellis, and this little GS3 delivers nearly identical exceptional quality. At home, I use a Rocket from Seattle Coffee Gear. But I also do training and consulting for a small Espresso Bar in New Orleans that uses the La Marzocco GS3, and this machine is simply amazing in quality and consistency. EVERYTHING is commercial grade yet designed for a smaller setting.

The built-in PID allows for precise temperature control and experimentation (if you are adventurous and like single origin espresso, especially). Manual pre-infusion (which locks in fines and results in a more even extraction) is possible due to the mechanical paddle. Also, the interface shows you the time of your shots in seconds (no need to scramble for your timer). The shots are GORGEOUS when dialed in correctly. Tiger striping is easily visible and this portafilter is one of the few pro-sumer types where the espresso rolls out of the spouts in a more inward direction, falling perfectly into your demi (this is something usually only seen with large, commercial machines).

The water reservoir and drip tray are very large. The double boiler allows one to easily brew and steam simultaneously, and the steam wand is capable of commercial grade micro-foam for latte art.

Finally, the portafilter and double basket that La Marzocco issues (either VST or regular basket) are professional grade and easily allow for the type of up-dosing that is commonly used in specialty cafes today (18-21 grams). This is rare among other pro-sumer machines with smaller baskets (unless you go bottomless and switch to a larger basket). Simply put, if you want your shot to taste the way it does in your favorite specialty cafe, this is one of the only machines that will get you there consistently. Seems pricey, but offers so much more than any other machine can in its class.

Easy To Use, Commercial Grade, Quick Brewing, Easy To Clean, Great Taste, Large Water Container


(Posted on 7/1/11)

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