PURPOSE: To enable automatic water supply and automatic temperature adjustment for expanding the utilizable range of warm water in houses in a washing process of an automatic cource of supplying bathtub water only in a washing process and water for rinsing by opening both hot water supply valve and water supply valve to supply warm water for replenishing water after the completion of a water level setting.

CONSTITUTION: A full automatic washing machine is provided with a water supply valve 9 for supplying water from a water supply, a hot water supply valve 8 for supplying hot water from a hot water supply valve device, a water supply pump 2 and water supply hole 7 for supplying bathtub water from a bathtub, a water supply changeover device having a common water supply hole for pouring bathtub water into a washing tank 13 and provided on an operating panel 10 to change over the supply of warm water, water and bathtub water and a temperature sensor 26 provided on the bottom of the washing tank 13 to detect the water temperature. Warm water of mixture of water and hot water is replenished in setting the supply of the bathtub water. Further, when 30° or less of the water temperature in the washing tank 13 is detected in setting the bathtub water by the temperature sensor 26 on the bottom of the washing tank 13, only the hot water supply valve 8 is opened to supply only hot water, so that washing can be carried out with an optimum temperature warm water.