| 摘要 |
PURPOSE:To cope with diversification of housing, provide a bath filled to a set level and at a set temperature for whatever apparatus is in use and in what conditions a bathtub is installed, and ensure comfortable bathing conditions. CONSTITUTION:A switching means 15 is provided between a heating means and a circulating pup 4 with the interposition of a separating means 8 for drawing service water into a circulating vans under the feeding pressure of the service water. By controlling a switching means service water is forced into a return pipe 19 to the bathtub 2 by the use of the circulating pump so as to discharge the air in the circulating pump and the return pipe by the pressure of the service water. |
