| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that cold water flows for a while after the water is turned on when there is a faucet away from a water heater, a large amount of cold water is allowed to flow uselessly until change is made to the hot water, and the change from cold water to hot water cannot be detected visually or the like and hence it is troublesome to confirm it with hands and one becomes irritated or the like. SOLUTION: A hot water outflow device 1 is mounted near the faucet 3. In the hot water outflow device 1, cold water being present at a hot water passage 4 between the water heater 2 and the hot water outflow device 1 is accumulated in a water storage tank 6 after the faucet 3 is opened. When the hot water reaches the hot water outflow device 1, the hot water is guided to the faucet 3. As a result, cold water until hot water reaches the hot water outflow device 1 from the water heater 2 cannot become useless, thus saving water. Also, the need for confirming the change from the cold water to hot water is eliminated for preventing troubles.
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