| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot water storage water heater capable of satisfying both of retention of heat insulation performance of a hot water storage tank by a heat insulation material and facility of maintenance of a temperature detection means installed in the hot water storage tank. <P>SOLUTION: A notch 81 is formed which penetrates in an internal/external direction in a vertical direction on a side surface part of the hot water storage tank 4 covered with a heat insulation material 8, and tank thermistors 71, 73 are installed on a surface of the hot water storage tank 4 via the notch 81. An internal/external double pipe type heat exchanger 35 is internally fitted to the notch 81 in a detachable manner to cover the tank thermistors 71, 73. An outer pipe part 351 of the heat exchanger 35 is formed of synthetic resin to secure the heat insulation performance of the notch 81. <P>COPYRIGHT: (C)2013,JPO&INPIT |
