| 摘要 |
<p>PURPOSE:To provide an electrical hot water heater of hot water storing type in which a boiling-up part and a hot water storing part are separately and independently constructed, the life of pump is long and a high boiling efficiency can be attained. CONSTITUTION:A circulation pump 7 is arranged between a heater 3 and a hot water storing tank 8 of a hot water heater which is comprised of a water feeding device 1, the heater 3, the hot water storing tank 8 and a hot water feeding device 11. When the hot water temperature within the hot water storing tank 8 is lower than the set temperature, the hot water is recirculated to the heater 3 and then the reheating operation is carried out.</p> |
