A washing apparatus including a housing, an enclosed washing space defined in the housing, a first container for clean water disposed adjacent the housing, the first container including a clean water outlet valve to selectively permit flow of water from the first container to the washing space, a second container for waste water disposed adjacent the housing, a water heater disposed in the washing space, a pump disposed in the housing and configured selectively to pump water from the washing space into the washing space and selectively to pump waste water from the washing space to the second container, a valve coupled to the pump for permitting said selective pumping of water into the washing space and said selective pumping of water to the second container； and a pre-programmed electronic controller coupled at least to the pump, the valve and the water heater to control operation at least of the first container, the pump, the valve and the water heater to wash and/or sterilize an item in the washing space.
