La Marzocco GS3 - Auto-volumetric (AV) Espresso Machine La Marzocco
La Marzocco GS3 - Auto-volumetric (AV) Espresso Machine La Marzocco
La Marzocco GS3 - Auto-volumetric (AV) Espresso Machine La Marzocco

5058

La Marzocco GS3 AV 1 Group Home Espresso Machine

$8,400.00

La Marzocco GS3 AV

The same thermal engineering that powers world-class cafes. On your counter.

The GS3 AV brings La Marzocco's saturated group head and dual-boiler architecture into a compact 110V frame. You get the thermal stability that professional baristas depend on — consistent temperature, consistent pressure, consistent results — without needing a commercial buildout.

Why It Costs What It Costs

What You Are Paying For

Thermal Drift

Saturated group head eliminates temperature swings

Brew vs. Steam Compromise

Independent dual boilers run simultaneously

Inconsistent Shots

Advanced thermal stability for repeatable extraction

Installation Hassle

Compact 110V design fits home espresso bars

How It Works

The GS3 AV uses a saturated group head — the same technology in La Marzocco's commercial machines — to maintain water temperature from boiler to puck with minimal loss. Two independent boilers let you pull espresso shots and steam milk at the same time without either system stealing heat from the other. The automatic volumetric dosing measures your shot for you, so once you dial in a recipe, the machine repeats it. All of this runs on standard 110V power in a footprint designed for home counters.

Key Specifications

Saturated Group Head

Water temperature stays locked from boiler to portafilter. No cold spots, no thermal drift between shots. The same technology behind the world's best cafes.

Dual Boiler System

Separate boilers for brewing and steaming operate independently. Pull a shot and texture milk simultaneously without any temperature compromise. No waiting, no trade-offs.

Volumetric Dosing

Program your shot volume once and the machine delivers that exact amount every time you press the button. Consistency on autopilot.

110V / Compact

Runs on a standard home outlet. The compact footprint fits into your espresso bar without requiring a commercial kitchen setup. Professional performance, residential power.

Thermal Stability

Advanced temperature management keeps your brew water precise across multiple back-to-back shots. Your tenth shot tastes like your first.

The Bottom Line

This is not an upgrade from your current machine. It is a different category entirely.

The GS3 AV is built for the person who has outgrown prosumer machines and wants commercial-grade thermal engineering without the commercial footprint. If you are pulling shots for yourself and a few guests and you want every single one to be identical, this is the machine that delivers that.

Is This the Right Machine

Made For

You have outgrown your current setup and want cafe-level consistency at home. You value thermal stability above all else and want a machine that repeats your recipe without drift. You appreciate volumetric dosing and the ability to brew and steam simultaneously.

Not For

You prefer full manual control over every variable in your shot — the MP model may be a better fit. You are looking for a budget-friendly entry into espresso. Or you need high-volume throughput for a busy commercial environment.

Financing available. Deciding between the GS3 AV and GS3 MP? We have both in our showroom. Call 323-592-3303 and we will help you choose.
Man standing next to espresso machine
Financing Options

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Product Details

Key Features
  • Dual Boilers: Enjoy optimal espresso brewing and efficient steam production.
  • Saturated Group Head: Guarantees supreme thermal stability for consistency in every shot.
  • Intuitive Digital Display: Makes adjusting machine settings straightforward.
  • Hot Water Economizer: Fine-tune tap water temperature with ease.
  • Thermal Stability System: Ensures temperature stability throughout the brewing process.
  • Dual PID: Electronically control temperatures for both the coffee and steam boilers.
  • Ruby Flow Restrictors: Combat scale formation and erosion effectively.
  • Versatile Water Reservoir: Features a 2.5-liter capacity, making plumbing optional.
  • Internal Pump: Ensures peak performance without external modifications.
  • 110v Power Requirement: Enhances portability and convenience.
  • Half Power Mode: Compatible with a 15amp circuit for energy efficiency.
Dimensions & Specs
  • Dimensions: 14"H x 16"W x 21"D
  • Weight: 76.1 lbs
  • Voltage: 110V Single Phase
  • Element Wattage: 1620W(100V)
  • Coffee Boiler Capacity: 1.5 liters
  • Steam Boiler Capacity: 3.5 liters
  • Certifications: UL-197, NSF-8, CAN/CSA-C22.2 No. 109
Water Filtration Requirements
  • Protect your investment and guarantee the best taste with our recommended water filtration systems:
  • For Single Boiler Machines: BWT Single Cartridge Filter enhances flavor and prevents scale.
  • For Double Boiler Machines: Optipure Reverse Osmosis Water System offers maximum purity and protective benefits, perfect for any high-demand setting.
Cleaning & Maintenance

Daily Cleaning

Wipe and purge the steam wand after each use to prevent milk buildup, rinse portafilters and filter baskets, clean the drip tray, and backflush the group head to remove coffee oils and residue.

Weekly Maintenance

Soak portafilters, baskets, and shower screens in an approved cleaning solution, inspect group head gaskets and screens, and perform a deeper backflush to keep internal components clean.

Long-Term Care

Maintain proper water filtration to prevent scale buildup and descale the machine as needed based on water quality and usage to ensure long-lasting performance and consistent espresso quality.

Power Requirements
  • Voltage: 110V
  • Wattage: 1620W
  • Electrical: Standard North American outlet (dedicated circuit recommended)

Summary: It can run on a standard 110V outlet, making it well suited for coffee carts, small cafés, offices, and home espresso bars. Because it draws 1620 watts, it’s best to plug it into a dedicated 15–20 amp circuit, especially if you’re running other equipment (grinder, fridge, hot water tower) nearby. This setup is ideal for mobile coffee carts, where higher-voltage (220V) power isn’t always available.

Included in the box

  • Backflushing Basket

  • Double Portafilter

  • Group Brush

  • Espresso Machine

  • Bottomless Portafilter
Two men smiling in a coffee equipment warehouse, standing beside a Wega commercial espresso machine and grinder setup on a burlap-covered counter.

Start Your Coffee business with confidence

With 10+ years of experience helping customers open coffee shops and begin their espresso journey, we're here to support you every step of the way. Our team is ready to guide you through the process and help you choose the best machine for your business’s needs. Call us, or visit us in person, let's start your coffee journey today.

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FAQ's

Is the La Marzocco GS3 AV worth it?
The La Marzocco GS3 AV features a dual boiler system with a saturated group head, plus volumetric dosing. The GS3 AV brings La Marzocco's saturated group head and dual-boiler architecture into a compact 110V frame. You get the thermal stability that professional baristas depend on — co.
What type of boiler does the La Marzocco GS3 AV have?
The La Marzocco GS3 AV uses a dual boiler — Separate boilers for brewing and steaming operate independently. Pull a shot and texture milk simultaneously without any temperature compromise. No waiting, no trade-offs.
Does the La Marzocco GS3 AV have dual boiler system?
The La Marzocco GS3 AV includes dual boiler system: Separate boilers for brewing and steaming operate independently. Pull a shot and texture milk simultaneously without any temperature compromise. No waiting, no trade-offs.
What about the volumetric dosing on the La Marzocco GS3 AV?
The La Marzocco GS3 AV features volumetric dosing: Program your shot volume once and the machine delivers that exact amount every time you press the button. Consistency on autopilot.
What makes the La Marzocco GS3 AV different?
The La Marzocco GS3 AV stands out with 110v / compact, thermal stability. Runs on a standard home outlet. The compact footprint fits into your espresso bar without requiring a commercial kitchen setup. Professional performan.
How long does the La Marzocco GS3 AV last?
The La Marzocco GS3 AV is built by La Marzocco, a manufacturer of commercial-grade coffee equipment. Commercial espresso machines with proper maintenance and regular servicing typically last 10-20 years in a café environment. Regular descaling and preventive maintenance are key to maximizing the machine's lifespan.
Where is the best place to buy the La Marzocco GS3 AV?
Coffee Machine Depot is an authorized dealer of La Marzocco equipment. When you purchase the la marzocco gs3 av from CMD, you get commercial-grade support including expert guidance on installation, setup, and ongoing maintenance. Contact us at 323-592-3303 for product questions or to discuss whether this machine fits your needs.