Rational iCombi Classic 20-2/1 Electric Combination Oven

The Rational iCombi Classic 20-2/1 is a large-format electric combination oven designed for high-volume commercial kitchen environments. It operates across three cooking modes — steam, convection, and combination — giving kitchen teams precise control over temperature, humidity, and airflow within a single unit. The 20-2/1 configuration accommodates twenty 2/1 GN pans in landscape orientation, making it one of the largest units in the iCombi Classic range and a significant piece of equipment for any operation cooking at scale.

In a demanding service environment, consistency across a fully loaded cabinet is what separates a well-specified combi oven from one that struggles under pressure. The iCombi Classic uses multiple fan wheels working in conjunction with the cooking chamber geometry to circulate heat evenly across all levels simultaneously. The ClimaPlus humidity control system allows precise adjustment of the cooking climate in measured increments, which in practice means kitchen teams can move between roasting, steaming, and regeneration without significant recovery time between loads. Door-opening recovery is reliable, which matters when multiple chefs are loading and unloading continuously during a busy service.

From an operational standpoint, the iCombi Classic is built to reduce the margin for error across shifts:

• Up to 100 programmable cooking sequences with up to 12 steps per programme support consistency across different skill levels
• Rotary dial with push function and colour display keeps the interface accessible under service pressure
• Automatic overnight cleaning cycle with phosphate-free tablets reduces morning preparation burden
• Integrated descaling within the care programme helps protect internal components over time
• High-intensity LED chamber lighting allows monitoring without opening the door

At this scale, installation planning is essential before ordering. The unit is large and heavy, requiring a clear delivery route and adequate floor space. As an electric model, a suitable three-phase power supply is required — your electrician and Rational's own installation guidelines should both be consulted early in the process. Ventilation requirements are considerable at this capacity, and a properly specified extraction canopy should be confirmed with your kitchen installer. Water connection and drainage are also required for steam generation and the cleaning functions.

The 20-2/1 iCombi Classic is well suited to large-scale operations where throughput justifies the footprint and capital investment — central production kitchens, large contract catering sites, stadium and event catering operations, and high-volume institutional or hotel kitchens. For kitchens with more moderate output or tighter space constraints, smaller configurations within the iCombi Classic range are worth considering. For operations that require greater automation or connected kitchen functionality, Rational's iCombi Pro series is worth exploring alongside this model as part of any specification conversation.

Whether you're working through the right size for your operation, confirming power and ventilation requirements, or comparing this against other configurations, the team is always glad to work through the detail with you before anything is decided.