1. A dishwasher comprising: a washing chamber; a plurality of electrical wash system components for establishing a flow of washing fluid in the washing chamber during a washing operation; a user interface controller including a plurality of user input selectors for establishing model dependent operational parameters of the washing operation; and a main controller operatively connected to the user interface controller and the plurality of electrical wash system components for selectively controlling the washing operation, said main controller broadcasting a universal instruction packet including a first set of instructions associated with the model dependent operational parameters and a second set of instructions used to control operating parameters for other dishwasher models, wherein said user interface controller acts upon the first set of instructions associated with the model dependent operational parameters and filters out the second set of instructions associated with other dishwasher models.