| 摘要 |
PROBLEM TO BE SOLVED: To reduce an installation space of a combined hot water supply device and to improve the earthquake protection in a case when a hot water supply device is configurated by combining a plurality of general purpose hot water supply units. SOLUTION: This combined hot-water supply device is configurated by selectively combining at least one of a first auxiliary hot water supply device 10b provided with a first auxiliary hot water supply unit 3b on a first auxiliary frame 2b having the shape same as a main frame, and a second auxiliary hot water supply device 10 provided with a second auxiliary hot water supply unit 3c on a cubic second auxiliary frame 3c having a lateral width and a height same as those of the main frame, to a main hot water supply device 10a provided with a main hot water supply unit 3a on the cubic main frame 2a. The frames are respectively provided with at least one piping piece of a main gas pipe piece 62, a main water pipe piece 42 and a joined tapping pipe piece 52, and the piping pieces are connected through flexible pipes 40, 50. COPYRIGHT: (C)2004,JPO
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