Abstract: An improved water powered dishwasher uniquely adapted to be operated by a domestic water supply line of either high, low or medium pressure including a housing, a rack rotatably mounted within the housing, the rack being adapted to support articles to be washed and a water jet subassembly for directing jets of water in the direction of the rack to impart rotational movement thereto. The jet subassembly comprises a collimated jet for emitting a collimated stream of water in the direction of the lower periphery of the rack for initiating and assisting in sustaining the rotation thereof and a second spray jet for washing the articles and for urging forward rotation of the rack.