To prevent accidents in a bathroom or a bathtub from occurring, by noticing through utilization of a remote control what kind of abnormal condition the values of a pulse rate and a blood pressure have fallen into, when a bather is attacked by any abnormality in a cardiac function in the bathroom (specifically in the bathtub).

The subject bath hot-water supply system is provided with a pulse signal transmitter 1 for transmitting signals according to the pulse rate of the bather, a receiver capable of receiving directly or indirectly the signals from the pulse signal transmitter 1, a memory device 5 for storing the pulse signals received by the receiver, and a memory device recorder 4 for detachably housing the memory device 5, while the receiver and the memory device recorder 4 are built in a wired type remote control 2, and a recording work into the memory device 5 is given priority at least when the signals are transmitted from the pulse signal transmitter 1.