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![Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1]](https://cdn.shopify.com/s/files/1/0611/7297/3739/files/108453XL.jpg?v=1744417232 "Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1]")
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Ships within 48 hours · Estimated delivery Jun 14 - Jun 19
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Sea-Dog Thru-Hull w/Scupper Valve - Injection Molded Acetel [520510-1]Thru Hull with Scupper Valve Injection Molded Acetel This Thru Hull Scupper Valve mounts through the transom and provides a water exit for boats with self bailing cockpits. Ideal for above the water line drainage. Valve features a soft black flapper that seals to prevent backwash. For use with 1 1 2" hose. Compatible with most self bailing applications. Constructed of injection molded acetal. Installs with four #6 FH fasteners (included).
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
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Best in 7 days
4.5 ★★★★★
Based on 299 reviews
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Product Reviews
★★★★★ 5
Get it!
Size: 10-11, Color: Blue Plaid
Another must buy on my list! Color, size and length were all good. I was a bit surprised as to the thickness of the vest, not heavy, but well made. Definitely value for money!
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Reviewed in the United States on September 17, 2025
★★★★★ 5
Love it
Size: 14, Color: Black
Fits perfectly
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Reviewed in the United States on September 25, 2025
★★★★★ 5
Nice & classy
Size: 10-11, Color: Black
Good fit on my son
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Reviewed in the United States on April 1, 2025
★★★★★ 3
Size down.
Size: 16, Color: Black
Fit too large. Nice quality.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Kindergarten prom
Size: 4, Color: Burgundy, Size: 4, Color: Burgundy
Item was very nice, it came quickly and he wore it to his lil prom yesterday. Will reorder in the future.
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Reviewed in the United States on January 29, 2026
