Advantages. has a 6 bar high operating pressure permit to clean perfect surfaces. Key Features Water Control: VAP 6 VAP 6 A controls the water level automatically. Location: Pressure regulator and certified safety valve with a pilot light is located in the front. Loads Water: VAP 6 A loads the water naturally from the pipeline system or from an external reserve. Regulates Steam: Machine regulates the steam flow with the handpiece. Operation: Gun's button operates VAP 6 A Steam and hot water and VAP 6 Steam Stainless Steel Boiler: The stainless steel boiler with a total capacity of 4 litres, 2.5 of which reload water for both models. Warranty: It assures 1 year warranty. Durability: The machine's high quality instant durability.