A dish treating appliance includes a tub having an access opening and at least partially defining a dish treating chamber a rotating spray arm having multiple spray nozzles and a first supply conduit fluidly coupled to the multiple spray nozzles, and a manifold supplying liquid to the first and second supply conduits, wherein the supply of liquid from the manifold to the first supply conduits causes liquid to be emitted from the multiple spray nozzles into the treating chamber.