Deck Fills & Drains

About Deck Fills & Drains

Cockpit Drains & Scuppers

Defender Marine offers a variety of cockpit drains, self-bailing scupper drains, and thru hulls with scupper valves. Thru hull valves and deck scuppers can be installed above or below the waterline and are offered in a polymer composite called Marelon, injection-molded nylon, or molded fiberglass.

Self bailers take the guess work out of cockpit drains.

When a boat is underway the pressure of water running out through the scupper opens a one-directional valve to release the water from the hull. When the scupper is closed, during rest, no water can leak into the boat. Self-bailers assist bilge pumps in keeping the hull free of excess water and are especially helpful on boats that are "wet" or take on water and spray while running.

What are deck drains made of?

Defender Marine offers scupper drains fabricated out of a variety of materials. Marelon is a polymer composite that never cracks or loses its shape, while injection-molded nylon is strong and UV resistant. Molded fiberglass cockpit drains, as well as polycarbonate boat scuppers, offer a few more options while shopping for scupper drains.

I've got a new scupper, now what?

Installation above the waterline is not complicated and can be a DIY project - just remember to measure twice! Also, examine that boat scupper drain that you have purchased and be certain that it will work for your application. Hose barb or threaded connections are questions that need to be answered before the project starts, as cockpit drains and scuppers must be plumbed to exit the hull. Be certain the project is completely prepped, and all gasket materials are ready to go before you start!

Deck Fills & Drains

Seaview Vault Series Transom Drain Plug - SV101V

Sea-Dog Plugmate Garboard/Drain Plug Wrench - 520045-1

Sea-Dog Snap Handle Drain Plug - 520075-1

T-H Marine Floor Drain and Vent

Barton Drain Plug

Whitecap Nylon Garboard Drain Plug - 3051BC

Whitecap Aluminum Snap-Lever Type Bailer Plug

Seachoice Garboard Drain Flange & Plug

Whitecap Universal Push-Up Deck Fill Replacement Cap

Whitecap Brass Drain Tube - S-5064C

Seachoice Bailer Safety Kit - 45431

Seachoice Gas Deck Fill with Cap & Strap Tether - 32011

Seachoice Nylon Deck Fill with Cap

Seachoice Deck Fill Replacement Cap

Sea-Dog Universal Deck Plate Key - 335690-1

Attwood Replacement Drain Plugs (2-Pack) - 9842PD1

Seaview Vault Series Pro Transom Drain Plug with Gasket and Garboard - SV101VP

Seaview InteliPlug Pro Captive Drain Plug & Garboard Assembly - SVIPPRO

White Water Wire Deck Plate Key - 1350KY

Perko Locking Deck Fill - Diesel - 0599DPDCHR

Sea-Dog Garboard Drain Tube with Plug - 520050-1

Sea-Dog Garboard Replacement Drain Plugs - 520051-1

T-H Marine Drain Plug

T-H Marine All Purpose Drain/Hatch Drain

T-H Marine PVC Push-In Drain Plug

T-H Marine Overflow Drain Tube - ODT-2T-DP

FillGuard Deck Fill Protection Devices - 3 Pc Gasoline Set - GASOLINEKIT

Whitecap Garboard Drain & Plug - S-5051C

Whitecap Brass Snap-Lever Type Bailer Plug

Perko Polymer Gas Fill - 1613DP0BLK

Seachoice Nylon Drain Plug - 18641

Perko Replacement Vented Flip Top Cap - 0795DP0BLK

Whitecap Stainless Trim Nylon Scupper with Hose Barb - 6561

Whitecap Replacement Pull-Up Threaded Cap with Chain - 6063

Whitecap Universal EPA Pull-up Cap with Chain - 6063C

Whitecap Nylon Cockpit Scupper

Seachoice Deck Plate Key - 32651

Sea-Dog Chrome Plated Zinc Hose Deck Fill Replacement Cap - 351755-1

Attwood Livewell/Bailer Drain Plug - 1/2" - 7533A7

Perko Deck Fill - 1313DP0CHR

Perko Locking Gas Fill - 1399DP0CHR

Seaview Vault Stainless Steel Drain Plug

Seaview Vault Center Drain Plug

Whitecap Angled Scupper with Barb - 6559

Seachoice Drain Plug - 18781

Seachoice Gas Deck Fill with Locking Cap - 32051

Sea-Dog Chrome Plated Zinc Hose Deck Fill with Splash Guard - 351750-1

Sea-Dog Replacement Plug - 520021-1

About Deck Fills & Drains

Cockpit Drains & Scuppers

Self bailers take the guess work out of cockpit drains.

What are deck drains made of?

I've got a new scupper, now what?

2Filters

Change Locale

Explore

Helpful Information

Get In Touch

Resources

Stay Connected