| 摘要 |
PROBLEM TO BE SOLVED: To provide a header type feed water and hot water supply piping of a three-storied house capable of shortening the overall extension of piping and realizing a stable feed water and hot water supply. SOLUTION: An outdoor water supply pipe 2 from a water meter 1 is branched into three main water supply pipes 3 and 3, and these pipes are connected to the stories of a house, respectively. These main water supply pies 3 and 3 are branched into a plurality of branched water supply pipes 4, 4,... through the water supply headers 5, 5,... installed on each story, and these branched water supply pipes 6, 6,... are connected to the kitchen and sanitary equipment on each story corresponding thereto.
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