Re: Scuppers exit at waterline - no seacock
Ideally, there is a seacock on each T-hull that can be submerged.
The problem with your setup is how easily a stored item might fall against and break or dislodge the hose. While the outlet may be submerged, as long as the the upper end of the integral f'glass tube is above the WL, it is OK.
1st rule of yachting: When a collision is unavoidable, aim for something cheap.
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