A unit (1) for washing kitchenware and the like, which comprises means for the controlled spraying of a chamber (2), suitable for accommodating kitchenware and the like, for washing and/or sanitizing it. The means comprise a first tank (3) for a predefined detergent liquid and a second tank (4) for a predefined sanitizing liquid, functionally associated with respective independent elements for drawing and feeding the liquids. A corresponding branch (2) of a supply circuit (6) extends from each tank (3, 4) and is connected to the chamber (2) for mixing the liquids substantially upon their entry into the chamber (2).