Hose & Pipe Fittings

  1. Groco Bronze Pipe to Hose Fitting

    $10.37 - $241.48
    5
  2. Groco PTH-C Series Bronze Pipe to Hose Fitting - 90 deg.

    $14.94 - $174.34
    3
  3. Scandvik ABA 316 Hose Clamp Cruiser Pack - 31606

    $461.97
    1
  4. Groco PN Series Pipe Nipples

    $10.82 - $203.55
    0
  5. Forespar Vented Loop

    $40.25 - $72.12
    2
  6. Groco FF Series Straight Full-Flow Pipe to Hose Adapter

    $12.80 - $199.16
    2
  7. Groco FFC Series Full-Flow Pipe To Hose Adapter - 90 deg.

    $19.91 - $358.34
    0
  8. 24% off

    ACR Bronze Pipe Tee Coupler

    $7.18 - $104.24
    $5.66 - $104.24
    0
  9. 13% off

    ACR Bronze Hex Head Pipe Reducer/Adapter Bushing

    $3.18 - $50.22
    $3.18 - $50.22
    1
  10. Forespar Marelon 90 deg. Elbow Tailpipe/Hose Connector

    $7.75 - $28.57
    0
  11. Groco PTHD Series Bronze Pipe to Hose Fitting - 45 deg.

    $19.84 - $177.31
  12. Groco HVL Series Vented Loop

    $279.46 - $336.40
    1
  13. Whale Quick Connect Plumbing System Fitting - WX1574B

    $31.24
    1
  14. ACR Bronze 90 deg. Male/Female Elbow Pipe Fitting

    $9.45 - $177.24
    1
  15. Whale Quick Connect Adapter - 1/2" NPT Male to 15 mm (9/16") - WX1513B

    $25.42
    0
  16. 38% off

    Forespar Marelon Tailpipe/Hose Connector

    $8.56 - $29.74
    $8.56 - $29.74
    1
  17. Whale Quick Connect Plumbing System Fitting

    $6.63 - $9.18
    1
  18. ACR Bronze Square Head Pipe Plug

    $9.91 - $37.08
    1
  19. 25% off

    ACR Bronze 90 deg. Female/Female Elbow Pipe Fitting

    $5.69 - $48.44
    $4.26 - $48.44
    0
  20. ACR Bronze Pipe Cap

    $7.56 - $56.06
    0
  21. 22% off

    ACR Bronze Pipe Reducer/Adapter Coupler

    $5.84 - $75.04
    $4.53 - $75.04
    1
  22. Whale Quick Connect Plumbing System Fitting - WX1599B

    $304.26
    0
  23. AquaLock NPS Metric Female Swivel Elbow Fitting - 15 mm (9/16") x 1/2" - 81902166

    $18.16
    3
  24. AquaLock Metric Elbow Fitting - 15 mm (9/16") - 81902163

    $15.93
    0
  25. ACR Bronze 45 deg. Male/Female Elbow Pipe Fitting

    $13.72 - $113.00
    0
  26. Perko Pipe To Hose Elbow Adapter

    $31.24 - $120.32
  27. AquaLock Metric Straight Valve - 15 mm (9/16") - 81902216

    $37.08
    0
  28. Forespar MF-841 Replacement Duck Bill/Cap Assembly

    $14.59 - $16.03
    0
  29. Groco TPT Series Straight Full-Flow Pipe to Hose Adapter

    $32.70 - $69.20
    1
  30. AquaLock Metric Tee - 15 mm (9/16") - 81902169

    $16.28
    1
  31. ACR Fittings White Nylon Hose Connector - Barb to Barb

    $2.32 - $5.91
    1
  32. Groco TPC Series Tail Piece - 90 deg.

    $57.52 - $169.96
    0
  33. 35% off

    Racor Replacement SNAPP Filter Hose Fittings

    $12.26 - $29.45
    $7.90 - $29.45
    1
  34. AquaLock Metric Coupling - 15 mm (9/32") - 81902161

    $14.16
    1
  35. AquaLock Metric Male Adapter - 15 mm (9/16") x 1/2" NPT - 81902195

    $13.80
    0
  36. Jabsco Flush Spare Quick Release Hose Adapter - 31911-0002

    $57.52
  37. AquaLock NPS Metric Female Swivel Adapter - 15 mm (19/32") x 1/2" - 81902158

    $15.33
    0
  38. 12% off

    ACR Fittings White Nylon Hose Elbow Connector/Adapter

    $1.61 - $8.28
    $1.47 - $8.28
    1
  39. Forespar Marelon Threaded Reducer/Adapter

    $19.23
    0
  40. Groco PTH-C Series Bronze BSPP Pipe to Hose Fitting - 90 deg.

    $16.92 - $91.12
  41. 24% off

    ACR Bronze Pipe Coupler

    $5.69 - $66.28
    $4.31 - $66.28
    1
  42. Forespar MTC Series Marelon Threaded Reducer/Adapter

    $8.66 - $23.90
    0
  43. T-H Marine Barbed 3-Way Y Fitting - 3/4" Hose - Y-750-DP

    $19.04
    1
  44. Whale Quick Connect Plumbing System Fitting - WX1544B

    $32.70
    0
  45. PSS PYI Hose Clamp Tip Jackets

    $12.40 - $40.00
    0
  46. Groco Replacement Vacuum Breaker Diaphragm - VL-2023

    $91.10
    0
  47. Whale Quick Connect Plumbing System Fitting - WX1522B

    $7.30
    1
  48. Whale Stem Adapter - 1/2" NPT Male to 15 mm (9/16") - WX1524B

    $24.00
    0
 
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About Hose & Pipe Fittings

Boat Hose Fittings

Boat plumbing fittings cover a wide variety of applications aboard. From thru hulls to raw water strainers, boat sink drains and vented loops, marine water pipe fittings options are extensive. Fabricated of bronze, plastic, marelon, and stainless steel the choices of fittings means doing your homework and purchasing just the right fitting for your project.

What is the best material for marine plumbing fittings?

Boat pipe fittings are available in bronze, brass, marelon, nylon, stainless and heavy-duty plastic. The best material is most likely one that matches your current plumbing, especially when joining fittings together. Complete removal and replacement of marine plumbing fittings offer the option to upgrade to higher quality material. Keep in mind that heavy bronze fittings may add unwanted weight to your vessel and depending on the application might not be necessary.

Marine plumbing is a pretty complicated business.

In through the hull, out through the transom. Loops, Y-valves, strainers, and exactly when do you need to add a seacock? Defender carries a full line of every fitting for every project, but perhaps a quick-connect fitting system would provide an uncomplicated weekend project for the average DIYer. One thing is for certain before any marine plumbing project begins, double-check the hose fittings required and have them all on hand and ready to go!

Marine hose fittings come in all shapes and sizes.

Marine hose fittings are available in 90-degree and 45-degree elbows, nipples, and couplers join different pipes together while end caps do just that, end the pipe. Tank fitting kits are available for full removal and replacement of all plumbing coming in and out of the water and holding tanks. Seacocks, thru hulls, strainers, and raw water manifolds are a bit more complicated while pipe to hose fittings and marine pipe reducers are pretty straightforward. Double-check your application and fitting shapes and sizes then get shopping at Defender Marine!