| 摘要 |
FIELD: heating.SUBSTANCE: electric water heater comprises an inner tank, which comprises a water storage chamber, and a coupling sleeve attached with one end to the inner tank and connected with the other end to the water supply unit serving for water supply to the water storage chamber and discharge of water from the water storage chamber. In this implementation the water is discharged more easily and conveniently from the storage chamber, the deposition of dirt in the inner tank is prevented and the maintenance of the water heater is facilitated, requiring discharge of water.EFFECT: water heater has a higher heating efficiency and lifetime.10 cl, 6 dwg |
