| 摘要 |
PROBLEM TO BE SOLVED: To provide an oxygen enriching hot water supply apparatus capable of being attached at a low cost without adding a special route, reducing a circulation flow rate and supplying a gas such as oxygen for a long period of time. SOLUTION: In a hot water supplier comprising a combustion part 10, a heat exchanger 12, an auxiliary heating circulation circuit 20 for auxiliarily heating bathtub water through the heat exchanger 12 and a pump 18 for circulating the bathtub water, an oxygen enricher 26 for generating the oxygen of a high concentration and a mixing means 27 for mixing the oxygen of the high concentration from the oxygen enricher 26 to the auxiliary heating circulation circuit 20 are provided inside the hot water supplier 9. The oxygen of the high concentration is jetted together with the bathtub water flowing through the auxiliary heating circulation circuit 20 from an auxiliary heating adapter 22 provided on a bathtub 21. COPYRIGHT: (C)2005,JPO&NCIPI
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