Valves

  1. Forespar Marelon Full-Flow Seacock with Stainless Cap Thru-Hull

    $142.67 - $316.40
  2. Johnson Y-Valve - 81-47238-01

    $100.72
  3. 9% off

    Osculati Replacement Washdown Pump Plastic Fitting

    $34.42 - $41.47
    $31.04 - $37.39
  4. Forespar Pro Series Flush Cap Dual Drain NPSM Thread Seacock

    $158.52 - $373.93
  5. Forespar Pro Series Flush Cap Y-Valve NPSM Thread Seacock

    $158.52 - $386.34
  6. Forespar Pro Series Thru-Hull Plug Dual Drain Seacock with Mushroom Thru-Hull

    $161.34 - $372.84
  7. Forespar Pro Series Flush Cap Inline Valve NPSM Thread Seacock

    $125.77 - $373.93
  8. Forespar Pro Series Thru-Hull Plug Y-Valve Seacock with Mushroom Thru-Hull

    $161.34 - $372.84
  9. Forespar Pro Series Flush Cap Y-Valve Screened Seacock

    $138.78 - $395.36
  10. Forespar Pro Series Thru-Hull Plug Y-Valve Seacock

    $138.78 - $395.36
  11. Forespar Pro Series Thru-Hull Plug Inline Valve Seacock

    $95.07 - $353.63
  12. Forespar Pro Series Flush Cap Inline Valve Screened Seacock

    $119.00 - $362.65
  13. Forespar Pro Series Inline Ball Valve

    $111.11 - $346.86
  14. Forespar Pro Series Thru-Hull Plug Dual Drain Seacock

    $138.78 - $381.83
  15. Forespar Pro Series Flush Cap Dual Drain Screened Seacock

    $138.78 - $381.83
  16. Forespar Marelon Watertight Bulkhead Fitting

    $81.77 - $139.30
  17. Forespar Flowtech Performance Valve

    $419.03 - $451.74
  18. Forespar Flowtech Performance Valve Repair Kit

    $154.27 - $168.37
  19. Seachoice Brass Two-Way Fuel Line Valve

    $34.42
  20. Vetus Stainless Steel Ball Valve

    $51.34 - $362.95
  21. Vetus Bronze Ball Valve

    $97.89 - $303.75
  22. Perko Ball Valve Seacock

    $288.22 - $370.00
    1
  23. Perko Bronze Seacock Body

    $205.05 - $708.46
    1
  24. Racor Shut-Off Valve Drain Kit - RK 19492

    $111.97
    2
  25. Raritan Diverter Y Valve

    $128.89 - $162.75
  26. Groco Bronze 3-Way Valve

    $55.57 - $258.63
    4
  27. Groco SBV-P Series Bronze Flanged Seacock with Side Port

    $749.32 - $4,174.32
  28. Groco FV Series Bronze Inline Fuel Valve

    $27.46 - $51.34
    1
  29. Groco FV Series Fuel Valve - 90 deg.

    $31.60 - $49.93
  30. Groco FV Series Tank Selector Valve

    $116.20 - $348.85
  31. Groco IBV-S Series Stainless Steel Inline Ball Valve

    $58.39 - $814.24
  32. Groco IBV Series BSPP Bronze Inline Ball Valve

    $41.47 - $721.18
    3
  33. Groco CV Series Bronze Inline Check Valve

    $28.78 - $198.00
  34. Groco G-Gate Hub to Garmin - G-GATE-G

    $967.86
  35. Groco 6 Port Bronze Fuel Valve - FV-65038

    $238.87
  36. Beckson Hose Inline Check Valve - 1 1/2" - CV-1-1/2

    $54.16
    1
  37. 6% off

    T-H Marine Inline Scupper Check Valve

    $35.83 - $37.24
    $33.37 - $34.68
    2
  38. Forespar Marelon 93 Series Ball Valve/Mushroom Thru-Hull Fitting

    $118.98 - $275.79
    1
  39. 6% off

    Whitecap Fuel Shut-Off Valve - P-5524

    $52.77
    $49.12
    0
  40. 6% off

    Whitecap Fuel Shut-Off Valve - P-5525

    $37.26
    $34.70
    0
  41. 28% off

    Whitecap Brass Ball Valve

    $25.70 - $174.04
    $18.42 - $144.85
    0
  42. 6% off

    Whitecap Fuel Shut-Off Valve - P-5520

    $47.13
    $43.88
    3
  43. 6% off

    Whitecap Fuel Shut-Off Valve - P-5521

    $44.31
    $41.25
    0
  44. 6% off

    Whitecap Fuel Shut-Off Valve - P-5522

    $34.44
    $32.08
    0
  45. 6% off

    Whitecap Fuel Shut-Off Valve - P-5523

    $51.36
    $47.81
    0
  46. Whale Diverter Y-Valve - DV5606

    $133.12
    0
  47. Whale Non-Return Valve - LV1219

    $28.78
    1
  48. Whale Non-Return Valve - LV1215

    $34.42
    1
 
1 / 2Next

About Valves

Marine Y-Valves

Marine Y Valves for boat toilets and marine 3 way valves for water applications above and below the waterline. For water use or mairine toilets, Defender Marine offers several marine 3-way valves and connectors. Service kits are also available for updating and fixing boat Y-valves at home. Above or below the waterline Defender has got you covered!