Dishwasher with tube wash system

A dishwasher for treating dishes according to an automatic cycle of operation, the dishwasher comprising:

• a tub having at least one wall and at least partially defining a treating chamber with an access opening;
• a sump fluidly coupled to the tub;
• a liquid recirculation circuit fluidly coupling the sump to the treating chamber and including at least one rotating spray tube located adjacent the at least one wall, the at least one rotating spray tube comprising:
• a hollow tube having first and second opposing ends with the first end fluidly coupled to the liquid recirculation circuit and the second end comprising a drain valve, and the hollow tube having a single wall and a longitudinal body axis defining a rotational axis;
• and
• a plurality of spray nozzles provided in the single wall of the at least one rotating spray tube and arranged about the longitudinal body axis on an exterior of the single wall, each of the spray nozzles comprising an inlet tube extending into an interior of the at least one rotating spray tube, each inlet tube having a single inlet opening and an angled or curved portion extending from each inlet tube further into the interior of the at least one rotating spray tube to define an end facing a liquid flow path through the at least one rotating spray tube and defining each single inlet opening, each of the angled or curved portions extending into the interior of the at least one rotating spray tube to an extent that the longitudinal body axis passes through each inlet opening and through the end of each angled or curved portion;
• and
• a pump configured to draw liquid from the sump and pump the drawn liquid to the at least one rotating spray tube.