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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 gas combi ovens
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Alto-Shaam CTC20-20G 44 Inch Floor Model Gas Combi Oven with 242000 BTU

Alto Shaam  |  MFG #: CTC20-20G  |  Item #: 418745
Item: #418745

Technical details
Manufacturer Alto-Shaam
Model Number CTC20-20G
Manufacturer Part # CTC20-20G
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 Combitherm® CT Classic™ Combi Oven/Steamer Gas Boilerless is a professional-grade, floor-mounted commercial cooking appliance designed for high-efficiency processing in foodservice environments. This boilerless, gas-powered combi oven features integrated digital controls with multiple cooking modes—steam, convection, and hybrid—allowing precise culinary execution. It boasts a capacity suitable for mid-volume operations, accommodating (20) non-tilt support rails, supporting up to 20 full-size 18" x 26" sheets, GN 2/1 containers, or 40 full-size hotel pans (1/1 GN). Its stainless steel construction ensures durability and ease of maintenance, while advanced features like SafeVent steam venting, CombiClean self-cleaning system, and high-efficiency LED lighting optimize sanitation and workflow. With a total energy output of 242,000 BTU, this model is ideal for commercial kitchens requiring reliable, versatile, and high-capacity cooking solutions.

Top Alto Shaam CTC20-20G Features

The Alto Shaam CTC20-20G Combitherm® CT Classic™ offers advanced cooking modes with precise temperature control, supporting high-volume throughput in commercial kitchens. Its durable stainless steel build, integrated cleaning system, and 20 support rails facilitate efficient operation, cleaning, and product management. Designed for heavy-duty use, it integrates seamlessly into professional foodservice workflows with reliable performance and straightforward maintenance.

  • High-capacity support rails: (20) 18" x 26" sheet capacity for large batches
  • Robust stainless steel construction: ensures durability in demanding environments
  • Intuitive digital control system: simplifies multi-mode cooking adjustments
  • Boilerless steam generation: reduces maintenance and energy costs
  • Easy-to-clean features: CombiClean system for efficient sanitation

Ideal for mid-volume commercial kitchens seeking precise, reliable, and versatile combi oven performance.

Alto Shaam CTC20-20G Technical Specs

The Alto Shaam CTC20-20G combines a self-contained, air-cooled system with outputs tailored for busy foodservice settings. Powered by a gas supply delivering 242,000 BTU, it operates on standard commercial gas lines with precise digital controls. Constructed from high-quality stainless steel, it measures 43.75" in width, 47" in depth, and 79.25" in height, weighing approximately 1250 lbs for robust installation. The unit features CE, cULus, and UL EPH classifications, IPX5 ingress protection, and Proposition 65 compliance, supporting rigorous safety and sanitation standards. Its versatile design accommodates a range of containers, including GN 2/1 pans, 18" x 26" sheets, and hotel pans, suitable for insertion into built-in or standalone cooking stations. Maintenance involves routine cleaning with the CombiClean system, with no disassembly required for typical sanitation. With advanced safety features including rounded corners and tamper-resistant controls, this combi oven is engineered for high durability and operational reliability in demanding commercial environments.

  • Electrical requirements: Not specified (gas-powered with standard connections)
  • Cooling method: Air-cooled
  • Production capacity: Capable of processing large quantities across 24 hours with high thermal output
  • Construction and finish: Stainless steel surface with antimicrobial coatings for sanitation
  • Temperature range: Designed for precise cooking within safe operational limits
  • Cleaning and maintenance: Equipped with CombiClean self-cleaning system, minimal disassembly required
  • Dimensions and weight: 43.75" W x 47" D x 79.25" H; approx. 1250 lbs
  • Technology & features: Digital controls, steam/convection/hybrid modes, SafeVent venting
  • Usage compatibility: Supports full-size sheet pans, hotel pans, GN containers, suitable for various food prep functions
  • Installation requirements: Adequate clearance for airflow, connection to gas supply and drainage as applicable

What is a commercial combi oven?

A commercial combi oven is a versatile cooking appliance designed for professional kitchens that combines multiple cooking methods such as steaming, convection roasting, and hybrid cooking within a single unit. The Alto Shaam CTC20-20G, as a gas-powered model, is installed in high-volume kitchen environments like hotel kitchens, institutional foodservice, or large-scale catering, providing precise temperature and humidity control for consistent results. This unit supports large capacities with its extensive support rail system and is ideal for mid-sized operations that require flexible, efficient cooking across different food types, including baked goods, steamed dishes, and roasted proteins, making it suitable for diverse culinary applications within the foodservice industry.

Top Combi Ovens for Large-Scale Foodservice Settings

Designed for medium-volume foodservice operations, the Alto Shaam CTC20-20G combines robust construction with versatile cooking functions. It is ideal for kitchens requiring high-capacity, precise, and reliable operation, supporting efficient workflow in restaurant kitchens and institutional settings. High-quality, stainless steel design and advanced features support durable, restaurant-ready performance, with medium workload capabilities suitable for busy food prep environments. This model's modular capacity and flexible cooking modes make it well-suited for diverse culinary tasks in professional kitchens.

  • Operation for medium-volume kitchens with high reliability
  • Suitable for compact commercial spaces requiring versatile equipment
  • Ideal for restaurant and institutional food preparation
  • Designed for moderate throughput and frequent usage
  • Supports a range of foodservice operations including baking, steaming, and roasting

Why Choose Alto Shaam CTC20-20G

Compared to other commercial combi ovens, the Alto Shaam CTC20-20G stands out with its use of durable stainless steel, integrated self-cleaning system, and a high-efficiency gas power source. Its extensive capacity handling, combined with precise digital controls and safety features, ensures optimized operation, sanitation, and product consistency in demanding foodservice environments. This model's design emphasizes operational reliability, ease of maintenance, and adaptability to diverse culinary workflows, making it a preferred choice among professional kitchen operators seeking high-capacity, restaurant-ready equipment.

  • Boilerless design reduces maintenance and energy consumption
  • High capacity with (20) support rails supports diverse menu needs
  • Heavy-duty stainless steel construction ensures longevity
  • Integrated cleaning system simplifies sanitation routines
  • Designed for seamless integration into professional commercial kitchens

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 Combitherm® CT Classic™ Combi Oven/Steamer Gas Boilerless
Alto-Shaam

Alto-Shaam CTC20-20G 44 Inch Floor Model Gas Combi Oven with 242000 BTU

$40,630.92 $61,562.00

Alto-Shaam, CTC20-20G, 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