| 摘要 |
PURPOSE:To realize reductions in a size and a cost by driving a pump for a bath to be used also as for heating by utilizing fluid energy. CONSTITUTION:The hot water supplying heater comprises a heating primary side circuit 18 connected to a heat source side heating medium circuit 4, a heating heat exchanger 25 having heat exchanging relation to a heating secondary side circuit 24 having a heating radiator 22, and a bath circuit with bath temperature keeping function having a bath heat exchanger 29 with bath temperature keeping function in a tank 28 in parallel with the radiator 22. Further, the heater also comprises a fluid driving impeller 32 provided at the circuit 18, and a heating pump 37 so coupled to a driven impeller 33 provided at the secondary side circuit as to be transmitted. |
