Defender Canada
Free Shipping on orders over $99*

Deck Fills & Drains

78 Listed

  1. Jabsco Hose Coil Quick Release Connector - 3/4" Adapter - 31911-0000

    $234.18
    0

  2. Perko T-Handle Garboard Thru-Hull Drain Plug - 0363DP0PLB

    $184.54
    1

  3. Perko T-Handle Garboard Drain Plug - 0266DP0PLB

    $136.36
    0

  4. Edson Universal Pumpout Nozzle with Splash Guard - 27220

    $121.76
    0

  5. Perko Sealed Ratcheting Cap Fill - 0660DPG99A

    $117.38

  6. Perko Locking Deck Fill - Gas - 0599DPGCHR

    $105.70
    0

  7. Whitecap Push Up Deck Fill

    $102.78 - $114.48
    1

  8. T-H Marine Cockpit Scupper Drain - CSD-92-DP

    $101.32
    0

  9. Jabsco Water Pressure Regulator - 44412-2045

    $95.48
    0

  10. Whitecap Stainless Steel Waste Fill Adapter - 6126ADPT

    $92.58
    0

  11. Centek Vernay Scupper Drain Fitting

    $91.10
    0

  12. Whitecap EPA Pull-Up Hose Deck Fill

    $91.10 - $165.56
    1

  13. Jabsco Flush Mount Water Pressure Regulator - 44411-2045

    $89.64

  14. SHURflo Wall Mount Pressure Reducing Water Connection - 183-029-14

    $83.80
    2

  15. Jabsco Water Pressure Regulator - 44411-1045

    $82.34
    2
  16. 22% off

    Perko Locking Deck Fill - Diesel - 0599DPDCHR

    $96.94
    $75.48
    0

  17. Jabsco Water Pressure Regulator - 44412-1045

    $73.58
    1

  18. Jabsco Water Pressure Regulator - 44411-0045

    $72.12
    0

  19. Perko Replacement Vented Cap

    $70.66

  20. Whitecap Hose Deck Fill

    $66.28 - $104.26
    3

  21. Whitecap Replacement Push Up Deck Fill Cap

    $60.44 - $73.58
    0

  22. Perko Fuel System Replacement Locking Gas Cap - 1324DP1BLK

    $56.06
    0
  23. 34% off

    Perko Locking Gas Fill - 1399DP0CHR

    $79.45
    $51.71
    0

  24. Plastimo Stainless Steel Winch/Deck Filler Key - 61804

    $50.22
    1

  25. Dometic NozAll Deck Pump-Out Adapter

    $47.30 - $48.76
    1

  26. Whitecap Angled Scupper with Barb - 6559

    $44.38

  27. Seaview Vault Stainless Steel Drain Plug

    $43.52 - $66.82

  28. Seachoice Garboard Drain Plug - 50-18661

    $40.44

  29. Seaview InteliPlug Pro Captive Drain Plug & Garboard Assembly - SVIPPRO

    $37.39
    0

  30. Forespar Garboard Drain Tube with Plug

    $36.10
    0

  31. Perko Deck Fill - 1313DP0CHR

    $35.62
    0

  32. Whitecap Deck Fill Cap Replacement with Chain - 6061C

    $35.62
    1

  33. Groco Adjustable Collapsible Spanner Wrench - SW-2531

    $32.70
    1

  34. Whitecap Nylon Deck Fill

    $32.70
    0

  35. Forespar CF254 Flush Head Deck Drain with Hose Tailpipe - 906038

    $32.08
    0

  36. Scandvik Flush Shower Drain - 10352

    $28.38

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

    $27.58
    0

  38. Sea-Dog Thru Hull with Scupper Valve - 520510-1

    $27.49
    0

  39. T-H Marine Flow-Max Ball Scupper - FMS-1-0-DP

    $26.37
    0

  40. Davis Instruments Snap Tool Multi-Key - 382

    $25.80
    0

  41. Seaview Vault Center Drain Plug

    $25.15 - $101.16

  42. T-H Marine Large Rectangular Scuppers - LRS-2-DP

    $24.00
    0

  43. T-H Marine Scupper Flapper Repair Kit - FSRK-3-DP

    $23.48
    0

  44. Camco Water Pressure Regulator - 40055

    $23.30
    0

  45. Seachoice Self Bailing Scupper

    $22.94 - $63.36

  46. Sea-Dog Garboard Drain and Plug - 520040-1

    $20.45
    0

  47. T-H Marine Push-In Overflow Drain Tube

    $19.34 - $50.22
    0

  48. Whitecap Garboard Drain & Plug - S-5051C

    $18.60
 
1 / 2Next

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!

1Filters

Clear All
  1. Fulfillment: Ships Same Day ×
Manufacturer
Price
5.88
235.18
More Ways To Shop
Availability
Fulfillment

Change Locale

Canada - English Shop in currency: CAD
Canada - Français Shop in currency: CAD
United States - English Shop in currency: USD

Helpful Information

Track My Order
Shipping Policy
Return Policy

Get In Touch

Customer Service
1-888-490-6844
Send a Message

Resources

Gift Cards
Privacy Policy
Conditions of Use

Stay Connected

Members receive special perks, including offers and new releases, by subscribing to our monthly newsletter.

    • Ensuring that the email is valid...
    • This might take a few seconds.
    • Are you sure the email is typed correctly?
      Twitter
      Facebook
      Instagram
      YouTube
      Toggle desktop/mobile version
      2025 © Defender Canada. All Rights Reserved.