Abstract: Provided are a control method for a dishwasher and a dishwasher. The dishwasher includes a spray rod and a spray rod driver configured to drive the spray rod to rotate. The control method for the dishwasher includes acquiring a predetermined washing signal; controlling the spray rod driver to drive the spray rod to rotate into a predetermined washing region from a current position; and adjusting a parameter of sprayed fluid flow when the spray rod rotates into the predetermined washing region.

Abstract: The present disclosure provides an electric water heater, including a casing, an inner tank, a drain valve and a protection cover. The casing defines an opening. An inner tank is disposed in the casing and defines a drain outlet. A drain valve is mounted at the drain outlet and exposed from the opening. A protection cover is detachably fixed on the casing or the drain valve and covers the drain valve. The protection cover of the electric water heater according to embodiments of the present disclosure may be detached from the casing during the sewage discharge and fixed on the casing again after the sewage discharge. Because of the protection of the protection cover, the drain valve is no more exposed so as to avoid the potential safety risk. In addition, the protection cover may further improve the integrity and the aesthetics of the appearance of the casing.

Abstract: The present disclosure provides an electric water heater, including a casing, an inner tank, a drain valve and a protection cover. The casing defines an opening. An inner tank is disposed in the casing and defines a drain outlet. A drain valve is mounted at the drain outlet and exposed from the opening. A protection cover is detachably fixed on the casing or the drain valve and covers the drain valve. The protection cover of the electric water heater according to embodiments of the present disclosure may be detached from the casing during the sewage discharge and fixed on the casing again after the sewage discharge. Because of the protection of the protection cover, the drain valve is no more exposed so as to avoid the potential safety risk. In addition, the protection cover may further improve the integrity and the aesthetics of the appearance of the casing.