| 摘要 |
A main drain system for use in a swimming pool installation including a swimming pool and a recirculating system. The recirculating system includes a skimmer device coupled to a pump and a filter assembly for recirculating the water in the swimming pool. The main drain system includes a vacuum module mounted adjacent the swimming pool, a conduit coupling the vacuum module to the pump, and a conduit coupling the vacuum module to the main drain.
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