| 摘要 |
A backwater valve assembly includes a valve housing, a valve member and a servicing tool. The valve housing has an internal ledge within it's interior on which is positioned a retainer clip oriented in vertical alignment with a riser. The valve member has a first engagement of a two part engagement on one face and a mounting along a peripheral edge which includes transverse pins adapted to engage the retainer clip. The servicing tool includes a second engagement of the two part engagement at a working end of a shaft. The hook engages the hook receiver of the valve member during insertion and removal.
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