![Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/1280x1280/products/22698/30048/108453XL__81504.1758896470.jpg?c=1 "Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]")
![Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/100x100/products/22698/30048/108453XL__81504.1758896470.jpg?c=1 "Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]")
Product Description
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).
Specifications:
- Type: Parts
Product Videos
Custom Field
MPN 520510-1
![Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/22698/30048/108453XL__81504.1758896470.jpg?c=1 "Sea-Dog Thru-Hull w\/Scupper Valve - Injection Molded Acetel [520510-1]")
![Sea-Dog Kayak Recreational Angled Footbrace - Thru Hull [747720B-1]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/20155/26307/103601XL__83268.1758889458.jpg?c=1 "Sea-Dog Kayak Recreational Angled Footbrace - Thru Hull [747720B-1]")
![Perko Thru-Hull Scupper f\/Mounting Through Transom [0323DP]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/9324/11140/73277XL__90803.1758860425.jpg?c=1 "Perko Thru-Hull Scupper f\/Mounting Through Transom [0323DP]")
![Sea-Dog Removable All Around Light - Injection Molded Nylon\/Aluminum [400112-1]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/12576/15125/83013XL__88159.1758868825.jpg?c=1 "Sea-Dog Removable All Around Light - Injection Molded Nylon\/Aluminum [400112-1]")
![Sea-Dog Combination Bow Light - Injection Molded Polycarbonate\/Stamped Stainless Steel [400005-1]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/12577/15126/83014XL__20509.1758868828.jpg?c=1 "Sea-Dog Combination Bow Light - Injection Molded Polycarbonate\/Stamped Stainless Steel [400005-1]")
![GROCO 1" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/24531/32578/111451XL__28741.1762979477.jpg?c=1 "GROCO 1\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]")