| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot water storage type hot water supply system of not discharging low temperature water, when a user opens a high temperature hot water faucet again, even when a long time passes, after the user finishes use of high temperature hot water by closing the high temperature hot water faucet. SOLUTION: This hot water storage type hot water supply system has a hot water storage tank for storing the high temperature hot water, a first hot water supply pipe for supplying the high temperature hot water from the hot water storage tank, a switching part connected to the first hot water supply pipe, a second hot water supply pipe connected to the switching part, a high temperature hot water providing part connected to the second hot water supply pipe and providing the high temperature hot water for the user, a third hot water supply pipe connected to the switching part and returning the high temperature hot water to the hot water storage tank, and a circulating pump installed in the first hot water supply pipe or the third hot water supply pipe and circulating the high temperature hot water via the third hot water supply pipe via the first hot water supply pipe and the switching part from the hot water storage tank. After finishing to provide the high temperature hot water by the high temperature hot water providing part, the high temperature hot water inside of the second hot water supply pipe is discharged. COPYRIGHT: (C)2006,JPO&NCIPI
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