| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent filling hot water from being dropped out of a reheating circuit before a circulation pump is rotationally driven after feeding of filling hot water.SOLUTION: A bath device comprises: a hot water supply circuit 100 having a feed pipe 110, a tap pipe 130 and a hot water supply heat exchanger 120; a reheating circuit 200 having a return pipe 210, a going-pipe 230 and a reheating heat exchanger 220; a hot water filling communication passage 300 for connecting the hot water supply circuit 100 with the reheating circuit 200; a circulation pump 213 for circulating water in a bath tub 30 to the reheating circuit 200; and a hot water filling opening/closing valve 310 provided in the hot water filling communication passage 300. Water dropping preventive means 212 is provided at the reheating circuit 200 of the circulation pump 213 rather than a connecting part 250.</p> |
