| 摘要 |
<P>PROBLEM TO BE SOLVED: To guide a drain produced by a hot water supply heat exchanger for latent heat recovery, into a bathtub, and discharge it to a bathroom drain hole. <P>SOLUTION: A passage change-over unit 35 is provided between an outward pipe 29 and a return pipe 28 of a reheating circulation passage 31 of the bath device and a connector 45 to the bathtub 30, one end sides of first and second conduits are used as connector side connection ends, the other end sides are used as circulation passage side connection ends, one circulation passage side connection end of the first and second conduits 55, 56 is connected to the return pipe 28, the other circulation passage side connection end is connected to the outward pipe 29. Liquid discharge pipes 66, 67 discharging liquid introduced from the circulation passage side connection ends to an exterior are respectively connected to the first and second conduits 55, 56, and passage selector valves 33, 34 selectively changing a passage of liquid introduced from the circulation passage side connection ends of the first and second conduits 55, 56 to a connector side connection end side and a liquid discharge pipe side are provided in a communication conduit portion of the liquid discharge pipes 66, 67 corresponding to the first and second conduits 55, 56. <P>COPYRIGHT: (C)2010,JPO&INPIT |
