| 摘要 |
PROBLEM TO BE SOLVED: To improve connecting workability of water supply piping of a cleaning stool at cleaning stool installing time by easily performing work for connecting the water supply piping of the cleaning stool to water supply piping of a private part cleaning system. SOLUTION: A relay box 2 provided on the tip of water supply piping a2 of a private part cleaning water suply system branching off from water supply piping a1 of a toilet bowl cleaning water supply system, is arranged above a toilet bowl 4, and water supply piping a3 arranged in a cleaning stool is connected to the water supply piping a2 of the private part cleaning water supply system via the relay box 2. Thus, connecting work of the water supply piping a3 arranged in the cleaning stool can be performed in an easily workable upper part of the toilet bowl. |
