| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage water heater with bath reheating function capable of inexpensively reheating remaining hot water in a bathtub. SOLUTION: There are provided a hot water storage tank 1 for storing hot water, a heat pump circuit 2 including a compressor 12, a refrigerant-water heat exchanger 3 communicated with the hot water storage tank 1 for heating water, a pressure reducer 13, and a condenser 14 connected in order, a heating/ circulation pump 4 for circulating hot water in the hot water storage tank 1 to the refrigerant-water heat exchanger 3, a water-water heat exchanger 6 connected with the refrigerant-water heat exchanger 3, and provided in parallel to the hot water storage tank 1 for heating remaining hot water in a bathtub 5. A flow passage changeover valve 8 provided upstream the refrigerant-water heat exchanger 3 for changing over whether the refrigerant-water heat exchanger 3 is communicated with the hot water storage tank 1 or with the water-water heat exchanger 6. |
