| 摘要 |
PROBLEM TO BE SOLVED: To minimize an unexpected fluctuation of a hot-water temperature in a bathtub upon using bath by a method wherein water or hot-water is poured from a hot-water supplier into the bathtub by a given amount or for a given period of time when the lowering degree of a water level in the bathtub, which is specified so as to be near the upper circulation port of the bathtub or lower than the same, is higher than a given degree. SOLUTION: A low water level from the vicinity of the upper circulation port 41 of a bathtub to a lower circulation port 42, lower than the upper circulation port 41, is specified as a water level A and B is specified as a constant while a present bathtub water level is detected by a pressure sensor 33 whether it is higher than the water level A+B or not. When the water level of a bathtub, which is not higher than the level A+B, is detected by the pressure sensor 22, hot-water is poured from a hot-water supplier 1 into a bath boiler 3 or a bathtub 4 by a given amount or for a given period of time through a pouring circuit 2. According to this method, unexpected fluctuation of hot-water temperature in the bathtub upon using bath can be minimized. |
