Patent ID: 7314188

Claim:
A ware wash machine comprising: a housing including an area for receiving wares to be washed; a liquid dispensing arm removably positioned within the housing, the liquid dispensing arm including a nozzle receiving opening having a non-circular perimeter; and a nozzle removably positioned in the nozzle opening, the nozzle including a nozzle body having a non-circular perimeter and a fluid passageway extending through the nozzle body to a nozzle outlet, the nozzle outlet configured to output liquid in a specific output pattern; wherein the non-circular perimeter of the nozzle receiving opening and the non-circular perimeter of the nozzle body are cooperatively shaped and configured such that when the nozzle body is inserted in the nozzle receiving opening, the non-circular perimeter of the nozzle body and the non-circular perimeter of the nozzle receiving opening cooperate to align the nozzle so that the nozzle is automatically positioned such that an orientation of the specific output pattern relative to the area is automatically set to a specific orientation.