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Rational
Rational iCombi Classic 20-1/1 Electric Combination Oven
£11,729.00(£14,074.80 inc VAT)
Delivery Information
Price Match
The Rational iCombi Classic 20-1/1 is a full-size, 20-grid electric combination oven designed for high-volume professional kitchens. It operates across three cooking modes — convection, steam, and a combination of both — enabling kitchen teams to roast, bake, steam, braise, and regenerate within a single unit. Up to 100 multi-step programmes can be stored, supporting consistent, repeatable results across different shifts without depending on individual operator knowledge.
In a demanding service environment, the ClimaPlus humidity management system is one of the more operationally significant features. The ability to set cabinet humidity in defined increments gives kitchen teams precise control over cooking conditions, which supports better product yield, more uniform finishes, and a reduced risk of overcooking during busy service periods. Multiple fan wheels distribute heat evenly across all 20 rack positions, so full-capacity loads perform as reliably as lighter ones — an important consideration when the oven is running at its limits during peak service.
The day-to-day operational advantages worth noting:
- Programmable multi-step cooking reduces reliance on experienced staff for consistent output
- Precise humidity control across cooking modes improves yield on a wide range of menu items
- Even heat distribution supports reliable results at full 20-grid capacity
- Automatic cleaning with phosphate-free tabs and integrated scale prevention
- High-intensity LED chamber lighting allows quick visual checks without opening the door
A unit of this size requires a three-phase electrical supply, adequate ventilation, and careful space planning — particularly around door swing clearance and tray extraction depth. A suitable stand or base unit will be needed unless the oven is being installed into an existing rack arrangement. Given the size, weight, and electrical requirements, a site survey before ordering is strongly advisable.
The iCombi Classic 20-1/1 is well suited to hotel kitchens, contract catering operations, central production units, hospital catering, and large restaurant kitchens where consistent high-volume output is a daily requirement. For operations where a 20-grid unit would rarely run at meaningful capacity, a smaller model within the iCombi Classic range is likely a more proportionate investment. For very large central production facilities with greater throughput demands, higher-capacity options exist within the Rational range.
If you'd like to discuss whether this unit is the right fit for your service volume, kitchen layout, or available power supply, the team is happy to work through the detail with you.
Frequently asked questions
Is a 20-grid unit the right size for my kitchen?
A 20-grid iCombi Classic is best suited to operations that regularly need to cook at high volume — hotel banqueting, hospital catering, contract operations, or central production kitchens. If your service volumes are more modest and the oven would routinely run well below capacity, a smaller model within the iCombi Classic range would likely be a more practical and cost-effective choice. It's worth talking through your typical covers and peak service demands before committing to this size.
What are the key installation requirements for this oven?
The iCombi Classic 20-1/1 requires a three-phase electrical supply, which must be confirmed before ordering. You'll also need to plan for adequate ventilation — either via a canopy extraction system or a ventless hood arrangement if the kitchen doesn't have a suitable canopy above the installation point. Space planning should account for door swing clearance and the depth needed for full tray extraction. A compatible stand or base unit is required unless the oven is being built into an existing rack system, and a site survey prior to delivery is strongly recommended.
How does the automatic cleaning system work in practice?
The iCombi Classic uses phosphate-free cleaning tabs and an integrated descaling process to clean the cabinet automatically. Kitchen teams can select from several cleaning intensity levels depending on how heavily the oven has been used during service, and an overnight cycle option means the oven can complete a thorough clean outside of working hours without staff needing to be present. Regular cleaning using the correct Rational-approved tabs helps maintain performance and protects the internal components over time.
Size and weight
- External width
- 877 mm
- External depth
- 913 mm
- External height
- 1872 mm
- Weight
- 246 kg
- Dimensions
- 1807(H) x 877(W) x 913(D)mm
Capacity and performance
- Capacity (grids)
- 20
- Temperature range
- 30 - 300 °C
Power and energy
- Power rating
- 37.2 kW
- Power
- Electric
£11,729.00(£14,074.80 inc VAT)
£11,729.00(£14,074.80 inc VAT)
The Rational iCombi Classic 20-1/1 is a full-size, 20-grid electric combination oven designed for high-volume professional kitchens. It operates across three cooking modes — convection, steam, and a combination of both — enabling kitchen teams to roast, bake, steam, braise, and regenerate within a single unit. Up to 100 multi-step programmes can be stored, supporting consistent, repeatable results across different shifts without depending on individual operator knowledge.
In a demanding service environment, the ClimaPlus humidity management system is one of the more operationally significant features. The ability to set cabinet humidity in defined increments gives kitchen teams precise control over cooking conditions, which supports better product yield, more uniform finishes, and a reduced risk of overcooking during busy service periods. Multiple fan wheels distribute heat evenly across all 20 rack positions, so full-capacity loads perform as reliably as lighter ones — an important consideration when the oven is running at its limits during peak service.
The day-to-day operational advantages worth noting:
- Programmable multi-step cooking reduces reliance on experienced staff for consistent output
- Precise humidity control across cooking modes improves yield on a wide range of menu items
- Even heat distribution supports reliable results at full 20-grid capacity
- Automatic cleaning with phosphate-free tabs and integrated scale prevention
- High-intensity LED chamber lighting allows quick visual checks without opening the door
A unit of this size requires a three-phase electrical supply, adequate ventilation, and careful space planning — particularly around door swing clearance and tray extraction depth. A suitable stand or base unit will be needed unless the oven is being installed into an existing rack arrangement. Given the size, weight, and electrical requirements, a site survey before ordering is strongly advisable.
The iCombi Classic 20-1/1 is well suited to hotel kitchens, contract catering operations, central production units, hospital catering, and large restaurant kitchens where consistent high-volume output is a daily requirement. For operations where a 20-grid unit would rarely run at meaningful capacity, a smaller model within the iCombi Classic range is likely a more proportionate investment. For very large central production facilities with greater throughput demands, higher-capacity options exist within the Rational range.
If you'd like to discuss whether this unit is the right fit for your service volume, kitchen layout, or available power supply, the team is happy to work through the detail with you.
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