| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bathtub water utilization device capable of automatically washing a water level sensor provided in a tank for storing hot water pumped up from a bathtub and preventing detection failure due to dirt.SOLUTION: A bathtub water utilization device 10 pumps up hot water in a bathtub 2 to a tank 12 by a pump 11 through a recycled water supply pipe 21 connecting the bathtub 2 with the tank 12, and reuses the hot water stored in the tank 12 as wash water for a toilet 3. Also, the device 10 determines the necessity of supply of water to the tank 12 on the basis of the detected water level of a water level sensor 14, and supplies bathtub water to the tank when the bathtub water can be utilized, while selects and supplies clean water to the tank when the bathtub water cannot be utilized. The clean water is discharged downward from an upper part or above the tank into the tank, the water level sensor is installed in a position exposed to discharged clean water, and the water level sensor is washed when the clean water is supplied.</p> |
