Plumbing Fittings & Valves

Plumbing fittings and valves connect hoses, control flow, and route fluids safely throughout your boat's systems. Shop marine-grade fittings and valves for reliable plumbing installations.

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Midland Metal Rigid Female Adapter Brass Hose Barb
Midland Metal Rigid Female Adapter Brass Hose Barb
From $1.69 $2.15
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Check Valve for Shower Drain Box, 1240R-CV<br>
Check Valve for Shower Drain Box, 1240R-CV
$10.72
No reviews
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Groco, NPT Bronze 90 Degree Pipe to Hose Fittings, PTHC Series
Groco, NPT Bronze 90 Degree Pipe to Hose Fittings, PTHC Series
From $9.98 $10.50
7 reviews
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Groco, Bronze Flush Thru Hull with Nut, FTH Series
Groco, Bronze Flush Thru Hull with Nut, FTH Series
From $18.95 $27.64
1 review
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Jabsco 3/4" Hose Barb Straight Kit Fitting - 6 GPM
Jabsco 3/4" Hose Barb Straight Kit Fitting - 6 GPM
$9.97
No reviews
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Groco, Bronze Thru Hulls with Nut, TH SeriesGroco, Bronze Thru Hulls with Nut, TH Series
Groco, Bronze Thru Hulls with Nut, TH Series
From $14.56 $15.33
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Midland Metal Barstock Hose Barb 90° Elbow Brass Fittings
Midland Metal Barstock Hose Barb 90° Elbow Brass Fittings
From $2.56 $2.75
1 review
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Rule Thru Hull Fittings
Rule Thru Hull Fittings
From $13.90
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316 Stainless Steel Thru-Hulls with Barb for 5/8" to 2" Hose
316 Stainless Steel Thru-Hulls with Barb for 5/8" to 2" Hose
From $31.30 $32.95
1 review
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Sea-Dog, Cast 316 Stainless Steel Exhaust Thru-HullsSea-Dog, Cast 316 Stainless Steel Exhaust Thru-Hulls
Sea-Dog, Cast 316 Stainless Steel Exhaust Thru-Hulls
$129.40
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Forespar 253 Series, Marelon Hose Tailpipe/Mushroom Head Thru-Hull Connectors
Forespar 253 Series, Marelon Hose Tailpipe/Mushroom Head Thru-Hull Connectors
From $18.95
2 reviews
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Groco Bronze Ball Valve, IBV SeriesGroco Bronze Ball Valve, IBV Series
Groco Bronze Ball Valve, IBV Series
From $26.13 $27.50
2 reviews
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Midland Industries Nylon Elbow Fitting, Hose Barb x MIP (NPT) Threaded
Midland Industries Nylon Elbow Fitting, Hose Barb x MIP (NPT) Threaded
From $1.28 $1.35
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Midland Metal Nylon Barb Male Adapter Plastic Fitting
Midland Metal Nylon Barb Male Adapter Plastic Fitting
From $0.65 $0.69
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Groco, Bronze Pipe to Hose Fitting, PTH Series
Groco, Bronze Pipe to Hose Fitting, PTH Series
From $6.18 $6.50
2 reviews
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Groco, Bronze Thru-Hull Fitting, Long, THXL Series, w/ Nut
Groco, Bronze Thru-Hull Fitting, Long, THXL Series, w/ Nut
From $31.30 $32.95
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Groco, 316 Stainless Steel Thru Hull with Nut, TH SeriesGroco, 316 Stainless Steel Thru Hull with Nut, TH Series
Groco, 316 Stainless Steel Thru Hull with Nut, TH Series
From $16.95
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On Sale
Midland Metal Bronze Reducing Couplings
Midland Metal Bronze Reducing Couplings
From $4.71 $4.96
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Midland Metal Female 37° JIC Flare Swivel Brass Fitting
Midland Metal Female 37° JIC Flare Swivel Brass Fitting
From $3.92 $4.35
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Forespar Marelon MF 850 Ball Valves
Forespar Marelon MF 850 Ball Valves
From $47.95
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Four Way Fuel Valve, Brass, 1/4" FNPT, 033304-10
Four Way Fuel Valve, Brass, 1/4" FNPT, 033304-10
$48.81 $51.38
No reviews
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Fuel Three Way Valve, Bottom Outlet, Brass 1/4" FNPT, 033302-10
Fuel Three Way Valve, Bottom Outlet, Brass 1/4" FNPT, 033302-10
$48.81 $51.38
No reviews
Replacement Steel Lever Valve Handle (only) fits 1-1/2" Legend 901 Ball Valves
Replacement Steel Lever Valve Handle (only) fits 1-1/2" Legend 901 Ball Valves
$5.38
No reviews
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Midland Metal Nylon Splices
Midland Metal Nylon Splices
From $0.71 $0.75
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