A laundry appliance including an appliance housing, a wash unit tub disposed inside the appliance housing, a drum rotatably supported within the wash unit tub, and a wash water dispenser assembly. A laundry compartment is provided inside the drum and the drum is rotatable about a drum axis. The wash water dispenser assembly includes a dispenser hose and a mating interface assembly. The dispenser hose includes a dispenser hose inlet and a dispenser hose outlet. The mating interface assembly connects the dispenser hose outlet to the wash unit tub. The mating interface assembly includes a tub port adapter on the tub sidewall that extends outwardly away from the drum axis to provide a mechanical connection with the dispenser hose outlet.