| 摘要 |
{Problem] To prevent pressure fluctuation in a water supply pipe while enabling instantaneous supply. [Solution] A hot-water supply system comprises a hot water storage tank for storing hot water, a hot water supply pipe for supplying the hot water in the hot water storage tank to a hot water outlet terminal, a circulation pipe connected with the hot water supply pipe and the hot water storage tank and used for returning the hot water flowing through the hot water supply pipe to the hot water storage tank, and a circulation pump that is provided on the hot water supply pipe and is used for suctioning the hot water out of the hot water storage tank and discharging the hot water to the hot water outlet terminal and the circulation pipe. |
