| 摘要 |
PURPOSE:To heighten the efficiency of a heater and to heat water quickly and to remove the danger of scald by a method wherein water in a water tank is supplied to the heater mechanically from one of passages of the circulation type water heater, and is made to circulate compulsively. CONSTITUTION:The water in a water tank 1 is supplied into a heater 2 mechanically, for instance using a submerged pump 4 etc. from one of the water passages of the circulating type water heater 2, and is made to circulate compulsively. Hereby, the efficiency of the heater 2 is heightened and water is heated quickly and the danger of scald is removed as well as the residence of scales, impurities etc. can be prevented. |
