Surface Mounted Scupper with 17 Degree Wedge
Surface Mounted Scupper with 17 Degree Wedge
Surface Mounted Scupper with 17 Degree Wedge

Surface Mounted Scupper with 17 Degree Wedge

SEAW1143

Regular price$49.99
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Shipping calculated at checkout.

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SEAW1143 is a direct replacement scupper for most boats that currently have the standard round plastic frame scupper with a rubber flapper. SEAW1143 features a free swinging rigid door (“flapper”) and hidden silicone seal allows for faster drainage and better one way valve performance compared to the traditional scupper.

The 17 degree wedge allows the scupper to “rest” in a closed position as most transoms are angled 10-15 degrees. All metal components including fasteners are marine grade 316 stainless steel.

It has a 1.625” thru hole which is larger than the common plastic frame version which has a 1.375” thru hole. This means ours will fit over most brass drain tubes of transoms which typically have a 1.5” flare.

The wedge can be screwed directly to the transom or to a plastic thru-hull fitting. The scupper component is then attached to the wedge with 3M VHB adhesive for a sleek look without any visible screws

Material Information:

Scupper Frame: 316 Stainless Steel (mirror-polished)
Flapper: 316 Stainless Steel (mirror-polished)
Scupper Backplate: 316 Stainless Steel (Electropolished)
Inner Seal: Black Marine Grade Silicone
Adhesive: 3M VHB
Wedge: 316 Stainless Steel (Electropolished)
Fasteners: 316 Stainless Steel

Important Product Information:

  • SW1143 should be installed by a qualified marine technician.

  • SW1143 is sold individually.

  • SW1143 should be paired with a self-draining deck only.

  • SW1143 should never be relied on as perfect one-way valves as scuppers may allow water to backflow.

  • SW1143 should be installed in 60F or warmer to ensure the VHB adhesive cures properly

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