| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a highly usable hot water supply apparatus that can supply an ingredient for the purpose of improvement of water at a predetermined amount and discharge water inside a water improving unit. <P>SOLUTION: The hot water supply apparatus includes: a bathtub water circulation circuit 15 in which hot water in a bathtub 14 circulates; a bathtub water circulation pump 16 for circulating the hot water in the bathtub water circulation circuit 15; the water improving unit 21 for adding a function improving ingredient to the hot water supplied to the bathtub water circulation circuit 15; and a water discharge opening/closing unit 22 for communicating between the inside of the water improving unit 21 and the atmosphere when opened. In the hot water supply apparatus, the water discharge opening/closing unit 22 is arranged under the water improving unit 21 and the bathtub water circulation pump 16, and water inside the water improving unit 21 and the water inside the bathtub water circulation pump 16 are also reliably discharged. <P>COPYRIGHT: (C)2013,JPO&INPIT |
