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Why you’ll love it

RestaurantSupply.com is your trusted source for Alto Shaam gas combi ovens.

  • Authorized Alto Shaam dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Alto Shaam 20-20G CLASSIC gas combi ovens
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Alto Shaam 20-20G CLASSIC 43 Inch Floor Model Gas Combi Oven Stainless Steel 242000 BTU

Alto Shaam  |  MFG #: 20-20G CLASSIC  |  Item #: 1040759
Item: #1040759

Technical details
Manufacturer Alto-Shaam
Model Number 20-20G CLASSIC
Manufacturer Part # 20-20G CLASSIC
Type Floor Model
Control Type Digital Controls
Steam Type Boilerless
Energy Efficiency ENERGY STAR®
Height 79.25"
Width 43.75"
Depth 47"
Weight 1250 lbs
CE Yes
cULus Yes
UL EPH Classified Yes
IPX5 Yes
ENERGY STAR Yes

About this item

Product Details

The Alto Shaam 20-20G CLASSIC Prodigi™ Classic Combi Oven/Steamer Gas Boiler-free is a commercial-grade cooking appliance designed for professional foodservice environments. This boilerless, floor-standing model features digital controls with multiple cooking modes—including steam, convection, and combinatorial functions—optimized for high efficiency and consistent results. Equipped with 20 non-tilt support rails accommodating (20) 18" x 26" full-size sheets or GN 2/1 containers, it supports flexible throughput in mid-volume kitchens. Its robust stainless steel construction ensures durability, while the SafeVent™ steam venting system enhances sanitation and operational safety. With 242,000 BTU of heating capacity, this model is engineered for precise, energy-efficient performance in demanding culinary settings.

Top Alto Shaam 20-20G CLASSIC Prodigi™ Classic Features

Designed for professional kitchens, the Alto Shaam 20-20G CLASSIC combines boilerless steam technology with programmable touch-screen controls, facilitating versatile cooking methods. Its capacity of 20 sheet pans or 40 hotel pans allows high-volume output, supported by (20) support rails and high-efficiency LED lighting for optimal workspace visibility. Built with stainless steel for durability, it includes five cleaning levels for sanitary maintenance and seismic legs for stability. This unit integrates seamlessly into foodservice workflows where rapid, reliable, multi-mode cooking is essential for restaurants, hotels, or institutional kitchens.

  • Versatile cooking modes: Combines steam, convection, and combi functions for flexible recipes
  • High durability: Constructed with stainless steel for longevity and corrosion resistance
  • Easy to operate and maintain: Touch-screen control with five cleaning levels simplifies routine cleaning
  • Expansive capacity: Supports (20) sheet pans or (40) hotel pans to meet high throughput needs
  • Efficient steam venting: SafeVent™ system ensures safe operation and quick pressure release

Ideal for mid-volume foodservice establishments requiring flexible, rapid cooking capabilities

Alto Shaam 20-20G CLASSIC Prodigi™ Classic Technical Specs

The Alto Shaam 20-20G CLASSIC features a floor model construction measuring 43.75" wide by 47" deep and 79.25" high, crafted from high-grade stainless steel finished for commercial environments. Powered by a 242,000 BTU gas system with a boilerless design, it offers rapid heating and uniform steam distribution without water boilers, reducing downtime and maintenance. Its electrical requirements include a 120/208-240V, 60Hz, three-phase connection — supporting a maximum of 1250 lbs of total weight. The energy-efficient model is rated ENERGY STAR® and includes features like CE, cULus, UL EPH classification, and IPX5 water ingress protection. Dimensions support installation flexibility in varied kitchen footprints, with maintenance facilitated through disassembly of support rails and easy access panels. All interior surfaces are food-safe, designed for easy cleaning with high durability standards. The unit is suitable for continuous operation, handling a broad range of food preparation tasks in commercial kitchens.

  • Electrical requirements: 120/208-240V, 3-phase, 60Hz, 64A, 15 kW
  • Heating method: Gas-powered, air-cooled with convection and steam functions
  • Production capacity: Supports (20) full-size sheet pans or (40) hotel pans, enabling large-volume service
  • Construction materials: Full stainless steel exterior and interior for enhanced durability
  • Operating range: Max safe temperature 212°F (100°C) for steam mode, with precise digital control
  • Safety and compliance: UL, cULus, CE, UL EPH, IPX5 rated for splash resistance
  • Dimensions: 43.75" W x 47" D x 79.25" H, shipping weight 1250 lbs
  • Cleaning and maintenance: Five-level cleaning program, disassemblable rails, easy to access interior components
  • Design features: Seismic legs for stability, high-efficiency LED lighting, flexible support rails
  • Electrical connection: Requires dedicated 120/208-240V, three-phase power
  • Drainage setup: Proper floor drainage recommended for venting and safety
  • Ventilation: External venting required for safe combustion gases
  • Clearance: Allow minimum 6 inches airflow space on all sides to ensure proper operation
  • Installation location: Suitable for enclosed, ventilated kitchen environments with concrete flooring
  • Maintenance routine: Regular cleaning of support rails and interior panels recommended
  • Replacement parts: Gaskets, seals, and support rails available for upkeep

What is a commercial combi oven gas?

A commercial combi oven gas is a professional-grade cooking appliance that combines steam and convection heating for versatile food preparation in foodservice settings. It is typically installed in restaurants, hotels, and institutional kitchens where efficient, multi-mode cooking is necessary. The Alto Shaam 20-20G CLASSIC Prodigi™ Classic is a gas-powered, boilerless combi oven designed for medium-volume operations, supporting multiple pans and customizable cooking modes, making it suitable for high-demand culinary environments.

Top Commercial Gas Combi Ovens for Mid-Volume Foodservice

The top commercial gas combi ovens, including Alto Shaam 20-20G CLASSIC, deliver durable, reliable performance with precise digital controls suitable for mid-volume foodservice operations. Engineered for convenience and longevity, these units support multi-function cooking, ideal for institutional kitchens, restaurants, and catering services requiring flexible, high-capacity cooking solutions.

  • Medium-volume operation — optimized for restaurant and hotel kitchens
  • Robust construction — stainless steel for long-term durability
  • Multi-mode cooking — steam, convection, and combinatorial functions
  • Self-contained design — boilerless operation reduces maintenance effort
  • Compact footprint — enables integration into diverse kitchen layouts

Why Choose Alto Shaam 20-20G CLASSIC Prodigi™ Classic

Why Choose Alto Shaam 20-20G CLASSIC Prodigi™ Classic Combi Oven/Steamer Gas Boiler-free? This model stands out with its boilerless design, durable stainless steel build, and advanced digital controls that enable precise multi-mode cooking. Its high-capacity support rails and energy-efficient operation enhance productivity and operational cost savings, suited for demanding commercial kitchens requiring reliable, versatile equipment.

  • Self-contained, boilerless system: simplifies installation and reduces maintenance needs
  • Robust stainless steel construction: ensures longevity in high-use environments
  • Advanced digital controls: allow precise, programmable multi-mode cooking
  • High capacity support rails: enable large-volume food production
  • Energy-efficient design: supported by ENERGY STAR® rating for lower operational costs

Certifications

UL EPH Classified logo

UL EPH Classified

This item meets or exceeds ANSI/NSF requirements and complies with United Laboratories (UL) EPH standards.

Energy Star Qualified logo

Energy Star Qualified

The item has been evaluated by the U.S. Environmental Protection Agency and the U.S. Department of Energy and has been found to be energy efficient.

CE Listed logo

CE Listed

The item has been tested by the Conformité Européenne (CE) for sanitation hazard standards and meets or exceeds expectations.

UL US & Canada logo

UL US & Canada

The item has been tested by Underwriters Laboratories (UL) for sanitation hazard standards and meets or exceeds expectations. The item can be used in the United States and Canada.

Certifications

IPX5 logo

IPX5

This product is IPX5 rated, making it resistant to low-pressure water jets from all directions.

Customer reviews

Alto Shaam 20-20G CLASSIC Prodigi™ Classic Combi Oven/Steamer Gas Boiler-free
Alto-Shaam

Alto Shaam 20-20G CLASSIC 43 Inch Floor Model Gas Combi Oven Stainless Steel 242000 BTU

$40,710.12 $61,682.00

Alto-Shaam, 20-20G CLASSIC, Prodigi™ Classic Combi Oven/Steamer, gas, boiler-free, floor model with roll-in cart, (20) non-tilt support rails, (20) 18" x 26" full size sheet, (20) GN 2/1, or (40) 12" x 20" full size hotel pan (GN 1/1) capacity, programmable, touch-screen control with steam/convection/combi cooking modes, SafeVent™ steam venting, (5) cleaning levels, door hinged right, high efficiency LED lighting, stainless steel construction, seismic legs, 242,000 BTU, EcoSmart®, cULus, UL EPH Classified, CE, IPX5, EAC, ENERGY STAR®