| 摘要 |
PURPOSE: A volume variable type hot water generating and supplying device is provided to reduce energy consumption because power is required only when hot water is exhausted. CONSTITUTION: A volume variable type hot water generating and supplying device(100) comprises a water storage unit(10), a volume variable unit(20), a backflow prevention unit(40), and a pressing unit(50). The volume variable unit is connected to the water storage unit and has a heating unit. The volume variable unit inhales water from the water storage unit and exhausts the water heated by the heating unit to the outside. The backflow prevention unit is formed between the water storage unit and the volume variable unit. The pressing unit supplies pressing force to the volume variable unit to contract the volume variable unit. |
