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

Whitecap Hose Deck Fill

Whitecap Pipe Deck Fill

Seachoice Drain Plug

Perko Waste Deck Plate - 0524DP0CHR

Perko Replacement Vented Cap

Whitecap EPA 1/4-Turn Pull-Up Cap with Chain

Groco Garboard Drain with Plug

Whitecap Stainless Trim Nylon Scupper with Hose Barb - 6561

Perko Flush Mount Cockpit Scupper - 0285DP

Scandvik Flush Shower Drain - 10352

Whitecap Tee Handle Boat Drain Plug with Cable - S-0211C

Whitecap 30 deg. Angled EPA Pull-Up Hose Deck Fill

Perko Sealed Ratcheting Cap Fill - 0660DPG99A

Seachoice Drain Tube

Seachoice Gas Deck Fill with Vent & Cap - 32061

Perko Adjustable Deck Plate Key - 0826DP0CHR

Seachoice Splashwell Drain Tube - 19131

Whitecap Brass Screw Type Bailer Plug

Seachoice Scupper Valve - 18261

Seachoice Garboard Drain Plug - 50-18661

Whitecap Livewell Drain Thru Hull

Barton Drain Plug

Whitecap Angled Scupper with Barb - 6559

Groco SCUS Series Hose Barb Deck Drain

Seachoice Splashwell Drain Tube - 19121

Seaview Vault Stainless Steel Drain Plug

Whitecap Nylon Garboard Drain Plug - 3051BC

Whitecap Garboard Drain & Plug - S-5051C

Whitecap Universal Push-Up Deck Fill Replacement Cap

Seachoice Nylon Deck Fill with Cap

Whitecap Nylon Deck Fill Replacement Cap

Seaview Vault Center Drain Plug

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?

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