2027 Vancouver Boat Show
After two years away, we’re heading back to the Vancouver International Boat Show, January 27–31, 2027, bigger and better than ever, with lots of prizes to be won. Here’s what...
Seadog - Thru-Hull with Scupper Valve is in stock and available for pickup within 24hrs.
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✔ Locally owned in Nanaimo, BC
✔ Trusted by boaters and anglers since 1986
✔ Knowledgeable staff with real on-the-water experience
✔ Large in-stock selection of marine & fishing gear
We’re here to help you get the right gear the first time.
We ship across Canada with fast, reliable delivery from our Nanaimo location.
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Need it sooner or have questions? Our team is here to help.
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Some items are non-returnable. Please review our full Return & Refund Policy before completing your purchase.
Seadog - 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).
| SKU | A | B | C | D | E | F | Weight |
| 520510-1 | 2-13/16" | 1-1/4" | 3-11/16" | 6-3/16" | 1-13/16" | 1-1/2" Hose | 0.39 |