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Rational CombiMaster Plus

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  • Eliminates up to 50% of conventional kitchen appliances
  • Patented ClimaPlus system delivers optimum cooking cabinet climate
  • Rugged, simple design, with easy-to-use rotary knobs
  • Choose from steam, hot air or combination cooking mode
  • Full range of sizes available to suit your production level


Eliminate up to 50% of the conventional cooking appliances in your kitchen with the Rational CombiMaster Plus. You can grill, bake, roast, steam, stew, poach and much, much more with one oven. Choose from steam cooking mode, hot air cooking mode or combination cooking mode, for a nearly limitless variety of preparation options.


Rational is the worldwide market leader in combi ovens, and for good reason. The optimum cooking cabinet climate—ClimaPlus—constantly monitors the humidity in the cooking cabinet, eliminating the need for labor-consuming basting or covering/uncovering. Breaded coatings come out with a perfect crunch and roasts are succulent and tender. Dynamic air mixing ensures heat is distributed homogeneously, delivering a perfectly uniform, consistent bake. Fish, vegetables and other sensitive dishes are steamed to perfection with the CombiMaster's efficient, hygenic steam generation.


The bottom line savings are impressive. The exceptional output of the CombiMaster Plus allows loads to be increased by up to 30%. Due to optimum humidity management, product shrinkage is significantly reduced and fat becomes almost superfluous, as purchasing and disposal costs are reduced by up to 95%!


The CombiMaster Plus is available in a variety of sizes to meet your production requirements, including 6, 10 and 20 half and full sheet pan sizes (or 6,10, 12, 20 or 40 steam pans). Ask you Horizon equipment specialist to help you configure a CombiMaster Plus model that's just right for you.


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Tech Specs

  • Sheet Pan Capacity: 
    6, 10, or 20 (half or full)
  • Steam Pan Capacity: 
    6,10, 12, 20 or 40
  • Meal Capacity: 
    30 to 500