| 摘要 |
An electric hot water supply apparatus is provided to ensure simple transportation and installation whereby the heating tank and the water tank are integrated and the back flow of heating water in the heating tank toward the water tank is prevented. An electric hot water supply apparatus comprises a heating tank(10) in which a hollow cavity is formed inside, a heater(11) heating the water in the hollow cavity is equipped, a heating water inlet(12) is formed on the upper side, and a heating water outlet(13) is formed on one side; a water tank(20) which is integrated with the heating tank and in which a water inlet(21) is formed on one side, a heating water supply hole(22) connected to the heating water inlet is formed on the lower side, and the heating water discharged from the heating tank and cooled while circulating is stored; and a backflow prevention valve which is equipped in a connection part of the heating water supply hole and the heating water inlet and prevents that the heating water in the heating tank is prevented from flowing back toward the water tank. |
