| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot water storage type hot water supply device capable of exhibiting excellent pipeline cleaning performance and improving energy saving performance.SOLUTION: When a predetermined cleaning operation condition is established, a control device 200 operates an ejector device 4 while circulating hot water to a bath pipeline 140, and executes cleaning operation for cleaning a reheating pipeline 150 with generated gas-liquid mixture fluid. In the cleaning operation, hot water is circulated from the intermediate part of a tank 10 to the bath pipeline 140 through a moderate hot water supply pipeline 120. |
