| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping system for water supply, which is installed easily. SOLUTION: A water diversion board, in which the start end sections of water diverting pipes having flexibility piped to water usage instruments in a living space respectively are collected and converged at one place and a header as a converging section is formed, is installed at a required position, a water-distribusion board with a function section for controlling the state of water supply is disposed to communicate with the header, and a water supply pipe is connected to the water-distribusion board while the water-distribusion board is installed at a position separate from the water-diverting board.
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