| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide header-type water-supply piping that can reduce construction costs while reducing outdoor piping construction and has improved reliability with less water leakage. SOLUTION: In the header-type water-supply piping, a main water-supply pipe 1 is branched into a plurality of branch pipes 4, 4,... via a header 3 being installed under a floor indoors, and the branch pipes 4, 4,... are connected to corresponding facilities related to water. In the header-type water-supply piping, a main water-supply pipe 1 is routed under a floor indoors for leading to the outdoor from an area near an outdoor water meter 40, the outdoor water meter 40 is connected, and at the same time one portion of the branch pipes 4, 4,... from the header 3 is connected to the outdoor facilities related to water.</p> |
