| 摘要 |
PROBLEM TO BE SOLVED: To provide a bath automatic water heater capable of shortening a boiling time after the completion of hot water supply to a bathtub. SOLUTION: In bath automatic operation, normally, hot water is supplied to the bathtub 16 by dual conveyance, and since it is determined that the hot water of a bath set temperature cannot be supplied to the bathtub 16 by dual conveyance and the supply of the hot water is carried out by single conveyance in a state that a temperature of hot water to be supplied is lower than the bath set temperature and when a state that a bath mixing valve 27 is fully opened to a hot water side is continued a predetermined time, a time of the boiling operation of raising the bath set temperature of the hot water in the bathtub 16 after the completion of hot water supply is shortened, and the power consumption of a bath circulating pump 21 during the boiling operation can be suppressed. COPYRIGHT: (C)2009,JPO&INPIT
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