| 摘要 |
PROBLEM TO BE SOLVED: To provide a connecting structure for easily performing connecting work with an external pipe, even if an quantity of body pipe increases in a narrow covering case. SOLUTION: A pipe connecting part 1c for connecting the external pipe 20 and a body inside pipe, is arranged on the front side of a hot water storage tank unit 1. A pipe connecting space 1b for connecting the external pipe 20 is arranged under its part. A plurality of body inside pipes are arranged in a substantially zigzag shape in the pipe connecting part 1c. Its connecting end projects the pipe length arranged in the rear longer than the front. COPYRIGHT: (C)2006,JPO&NCIPI
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