| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot water supply system capable of accurately detecting the water level in a bathtub. <P>SOLUTION: Between a supply port through which hot water is supplied from a hot water supplier to a bathtub and a reception port for receiving hot water in the bathtub to be sent to the hot water supplier, and a pair of bathtub pipe connecting fittings provided in the hot water supplier, a path toward the bathtub and a return path from the bathtub are provided and a bypass path that connects the path toward the bathtub and the return path from the bathtub is provided, and in the path from the reception port to the supply port through the bypass path, a water level sensor is provided and a switching means switching between a state where bathtub water can flow through the bypass path and a state where not is provided, and when detecting the water level using the water level sensor, the switching means is controlled so that the state where the bathtub water cannot flow through the bypass path is brought about. <P>COPYRIGHT: (C)2012,JPO&INPIT |
