| 摘要 |
PROBLEM TO BE SOLVED: To provide a conduit pipe suitable for keeping the sterilizing effect while the decrease of Ag ion caused by circulation of bathtub water is held down to the minimum. SOLUTION: A bathtub water sterilizing system includes circulating conduit pipes 3a, 3b, 13, 16 connecting a bathtub 1 and an Ag ion generating device 6 to each other and a circulating means 5 for supplying bathtub water to the Ag ion generating device 6 through the circulating conduit pipes, wherein a conduit pipe, at least the inner surface of which is formed of resin is interposed in the midway of the circulating conduit pipes 3a, 3b, 13, 16. The circulating means 5 is a circulating pump of a hot water supply machine 2 having a heat exchanger 8. |
