| 摘要 |
Apparatus suitable for installation in a wye cleanout fitting of a waste line. The apparatus includes four elements. The first element is a pipe. The second element is a valve attached to one end of the pipe and in fluid communication therewith. The third element is a seal having a bore therethrough, the pipe positioned in and sealed to the bore of the seal. The fourth element is a first pipe connector having a bore therethrough, the pipe positioned through and sealed to the bore of the first pipe connector at a position of the pipe between the valve and the seal.
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