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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 CTC20-20G_120/60/1_NAT gas combi ovens
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Alto Shaam CTC20-20G_120/60/1_NAT 43 Inch Gas Combi Oven with Roll-in Cart 242,000 BTU

Alto Shaam  |  MFG #: CTC20-20G_120/60/1_NAT  |  Item #: 419044
Item: #419044

Technical details
Manufacturer Alto-Shaam
Model Number CTC20-20G_120/60/1_NAT
Manufacturer Part # CTC20-20G_120/60/1_NAT
Type Floor Model
Control Type Digital Controls
Steam Type Boilerless
Height 79.25"
Width 43.75"
Depth 47"
Weight 1250 lbs
CE Yes
cULus Yes
UL EPH Classified Yes
IPX5 Yes

About this item

Product Details

The Alto Shaam CTC20-20G_120/60/1_NAT Combitherm® CT Classic™ Combi Oven/Steamer is a commercial-grade gas-operated combination oven designed for precise cooking in demanding foodservice environments. Featuring a boilerless steam system and digital controls, this floor-mounted unit provides versatile steam, convection, and combi cooking modes. Equipped with a roll-in cart for seamless workflow, it supports (20) non-tilt support rails alongside capacity options for (20) 18" x 26" full-size sheets or (20) GN 2/1 pans, facilitating high-volume operations. The unit’s robust stainless steel construction and SafeVent® steam venting ensure durability and safety, while its 242,000 BTU power output delivers reliable performance. The combination of technical features makes this combi oven suitable for professional kitchens requiring consistent, efficient cooking in large-scale foodservice operations.

Top Alto Shaam CTC20-20G_120/60/1_NAT Features

The Alto Shaam CTC20-20G_120/60/1_NAT Combitherm® CT Classic™ Combi Oven offers advanced functionality for high-capacity food preparation. Its boilerless steam system simplifies maintenance while ensuring consistent steam quality. The digital control panel allows precise setting of cooking modes, temperatures, and durations. Designed for durability, the stainless steel exterior withstands heavy daily use. Its capacity supports multiple sheet pan configurations, optimizing workflow during peak service hours. Integrated high-efficiency LED lighting enhances visibility, and easy cleaning features reduce downtime, enabling quick turnaround between cooking cycles.

  • Capacity: Supports (20) 18" x 26" sheets or GN 2/1 pans
  • Construction: Heavy-duty stainless steel for durability and sanitation
  • Control System: Digital interface for precise, programmable operations
  • Design Fit: Roll-in cart setup facilitates efficient kitchen workflows
  • Ease of Maintenance: Combitherm® cleaning with a single cleaning level

Ideal for high-volume foodservice kitchens needing reliable, versatile cooking solutions.

Alto Shaam CTC20-20G_120/60/1_NAT Technical Specs

The Alto Shaam CTC20-20G_120/60/1_NAT Combitherm® CT Classic™ Combi Oven operates on a three-phase 120/60/1 electrical system, with a power rating of 242,000 BTU. Its self-contained boilerless steam generator simplifies installation and reduces maintenance. Constructed entirely of stainless steel, it measures 43.75" wide, 47" deep, and 79.25" high, weighing 1,250 lbs — suitable for commercial kitchen floors with ample clearance for airflow and servicing. The unit integrates SafeVent® steam venting technology for safety, and its high-efficiency LED interior lighting provides optimal visibility. Operating within a temperature range suitable for all cooking modes, it supports medium-volume output, with a focus on durability and ease of cleaning. The combi oven is cULus listed, CE marked, and IPX5 rated for splash resistance, making it dependable in demanding environments.

  • Electrical Requirements: 120V, 60Hz, single-phase, 1250 lbs weight
  • Cooling Method: Air-cooled with integrated ventilation
  • Refrigeration Type: Self-contained boilerless system
  • Product Capacity: Handles (20) sheet pans or GN 2/1 pans for large-volume cooking
  • Construction & Finish: Commercial-grade stainless steel
  • Temperature Range: Up to 250°F (121°C) for all cooking modes
  • Cleaning & Maintenance: Combitherm® cleaning system with one level, disassembly friendly
  • Dimensions: 43.75" W x 47" D x 79.25" H
  • Certifications: UL, CE, cULus, UL EPH, IPX5 rated for splash resistance
  • Electrical Connection: Requires standard 120V power supply with dedicated circuit
  • Ventilation Needs: Adequate airflow with integrated SafeVent® system
  • Water Supply: Plumbing hookup necessary for steam generation
  • Floor Space: Minimum clearance of 6 inches for ventilation
  • Cleaning Routine: Front access for easy maintenance and sanitation

What is a commercial combi oven?

A commercial combi oven is a versatile culinary device designed for professional kitchens that combine steam, convection, and hybrid cooking modes within a single unit. The Alto Shaam CTC20-20G_120/60/1_NAT model is a floor-mounted, gas-powered combi oven with a boilerless steam generator, supporting large-scale food preparation with precise control over temperature, humidity, and cooking time. Installed in high-volume restaurant kitchens, catering operations, and hotel kitchens, this unit optimizes workflow by enabling simultaneous multi-mode cooking, leading to consistent product quality and reduced cooking time. Selected for medium-volume operations requiring reliability, efficiency, and ease of maintenance, it is ideal for preparing a broad range of foods from baked goods to roasted meats.

Top commercial combi ovens for medium-volume restaurant service

High-performance combi ovens like the Alto Shaam CTC20-20G_120/60/1_NAT deliver professional-level cooking in medium-sized kitchens, ensuring consistent quality and efficient workflow. Built with durable stainless steel and advanced digital controls, these units support multi-mode cooking suitable for restaurant, catering, and hotel environments. Designed for operational reliability, they optimize throughput during peak service hours using large capacity and easy maintenance features.

  • Medium-volume operation suited for restaurant and hotel kitchens
  • Robust construction for daily commercial use
  • Multi-mode cooking for versatile menu execution
  • Integrated safety and sanitation features
  • Built for reliable, long-term service in demanding environments

Why Choose Alto Shaam CTC20-20G_120/60/1_NAT

Compared to standard commercial oven models, the Alto Shaam CTC20-20G_120/60/1_NAT combines high power output with boilerless steam technology and a durable stainless steel build, enhancing operational efficiency and sanitation. Its large capacity, integrated SafeVent® system, and digital controls provide precise, consistent results adaptable to a variety of cooking needs. The efficient design minimizes maintenance time while supporting high-volume, reliable performance in professional kitchens.

  • Self-contained boilerless steam system for simplified operation
  • Extra-wide capacity supports large sheet pans or GN containers
  • Heavy-duty stainless steel construction for longevity
  • Optimized for medium-volume foodservice workflows
  • Integrated safety and cleaning features improve sanitation and uptime

Certifications

UL EPH Classified logo

UL EPH Classified

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

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 CTC20-20G_120/60/1_NAT Combitherm® CT Classic™ Combi Oven/Steamer
Alto-Shaam

Alto Shaam CTC20-20G_120/60/1_NAT 43 Inch Gas Combi Oven with Roll-in Cart 242,000 BTU

$40,630.92 $61,562.00

Alto-Shaam, CTC20-20G_120/60/1_NAT, Combitherm® CT Classic™ Combi Oven/Steamer, gas, boilerless, 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 (1/1 GN) capacity, classic control with steam/convection/combi cooking modes, SafeVent™ steam venting, CombiClean™ with (1) cleaning level, CoolTouch3™ glass window, door hinged right, high efficiency LED lighting, stainless steel construction, seismic legs, 242,000 BTU, EcoSmart®, cULus, UL EPH Classified, CE, IPX5, Gastec, EAC