| 摘要 |
PURPOSE:To shorten the time of hot water supply operation by eliminating variations of a temperature detector. CONSTITUTION:There are provided a hot water supply circuit 9 that communicates a hot water supply circuit 8 and a bath circuit 4, a bath temperature detector 18 provided on the bath circuit 4 for detecting hot water supply temperature and bath tank temperature after strirring bath tank water, and control means 20 for detecting using the bath temperature detector 18 hot water supply temperature to the bath tank 1 and bath tank water temperature upon strirring the bath tank water. |
