{
  "abstract": "An overflow system for a recreational pool includes a drain configured to be mounted to a bottom of the recreational pool, and a drain pipe configured to extend substantially horizontally from the drain under a perimeter wall defining a boundary of the recreational pool to outside the boundary. The system also includes a standpipe configured to be positioned outside the boundary and having a first end and an open second end. The first end is coupled to the drain pipe and the second open end has an overflow elevation between a normal water level elevation for the recreational pool and a top of wall elevation of the perimeter wall. In addition, the system includes a recirculation pipe having a first end in fluid communication with the recreational pool and a second end in fluid communication with the standpipe proximate the second open end.",
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  "published_at": "2026-09-15T19:02:43.461219Z",
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  "source_date": "2026-04-21",
  "source_id": "US-12607027-B2",
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  "title": "Overflow system for recreational pools",
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