| 摘要 |
PROBLEM TO BE SOLVED: To secure a stable water level in case of automatically filling a bath with hot water concerning a hot water storage type hot water supply device with built-in piping. SOLUTION: A remote controller 2, a tank 9, a heating means 3, a hot water supply plug 11, a hot water supply detecting means 8, a bath hot water running valve 20, a pressure reducing valve 14, and a water and hot water mixing apparatus 21, which mixes water with hot water that are maintained at a fixed and same water pressure by this pressure reducing valve 14, are included. When a command for filling a bath with hot water is given by the remote controller 2, the bath hot water discharge valve 20 is opened to start filling the bath with hot water. While hot water flows out from the hot water supply plug 11, filling the bath with hot water is interrupted by the action of the hot water supply detecting means 8. When the accumulated time of filling the bath with hot water reaches a predetermined time, filling the bath with hot water is completed.
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