Bongard Quality -Cervap RS Steam Tube (Oil/Gas) Deck Oven is designed to bake all types of bread, pastries, and Danish products. Integrated Loader Lifter but optional. Operating Principle, a watertight tube set containing water forms the exchanger and baking chambers of this oven. The energy produced by the burner is used three times: firstly to heat the fire chamber with the flame, secondly by heating the tubes with the combustion gases, and thirdly by combustion gases passing through the steam generator. The tubes diffuse even heat in all points of the baking chamber and give your oven exceptional flexibility and reactivity