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.

Check Valve for Shower Drain Box, 1240R-CV<br>
Rule Industries Check Valve for Shower Drain Box, 1240R-CV
$10.72
1 review
Groco, NPT Bronze 90 Degree Pipe to Hose Fittings, PTHC Series
Groco Groco, NPT Bronze 90 Degree Pipe to Hose Fittings, PTHC Series
From $12.25
7 reviews
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Jabsco 3/4" Hose Barb Straight Kit Fitting - 6 GPM
Jabsco Jabsco 3/4" Hose Barb Straight Kit Fitting - 6 GPM
$9.75
No reviews
Groco, Bronze Pipe to Hose Fitting, PTH Series
Groco Groco, Bronze Pipe to Hose Fitting, PTH Series
From $7.25
3 reviews
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Groco, Bronze Thru Hulls with Nut, TH SeriesGroco, Bronze Thru Hulls with Nut, TH Series
Groco Groco, Bronze Thru Hulls with Nut, TH Series
From $20.50
No reviews
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Attwood Straight Thru-Hull Connections
Attwood Attwood Straight Thru-Hull Connections
From $4.08
No reviews
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Midland Metal Nylon Barb Male Adapter Plastic Fitting
Midland Metal Mfg. Co. Midland Metal Nylon Barb Male Adapter Plastic Fitting
From $0.69
No reviews
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Midland Metal Mender/Splicer Hose Barb Brass Fitting
Midland Metal Mfg. Co. Midland Metal Mender/Splicer Hose Barb Brass Fitting
From $1.65
No reviews
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Midland Metal Rigid Female Adapter Brass Hose Barb
Midland Metal Mfg. Co. Midland Metal Rigid Female Adapter Brass Hose Barb
From $1.85
No reviews
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ShurFlo 244-3946 90 Degree Wingnut Fitting, 3/4"
Shurflo ShurFlo 244-3946 90 Degree Wingnut Fitting, 3/4"
$5.13
No reviews
Groco, Bronze Flush Thru Hull with Nut, FTH Series
Groco Groco, Bronze Flush Thru Hull with Nut, FTH Series
From $23.50
1 review
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Groco, Bronze Pipe to Hose Adaptors, Full Flow, FF Series
Groco Groco, Bronze Pipe to Hose Adaptors, Full Flow, FF Series
From $10.50
No reviews
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Rule Thru Hull Fittings
Rule Industries Rule Thru Hull Fittings
From $13.90
No reviews
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Bosworth Y-Valve Mount
The Bosworth Co. Bosworth Y-Valve Mount
$31.94
1 review
Groco Bronze Ball Valve, IBV SeriesGroco Bronze Ball Valve, IBV Series
Groco Groco Bronze Ball Valve, IBV Series
From $32.95
2 reviews
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Four Way Fuel Valve, Brass, 1/4" FNPT, 033304-10
Moeller Four Way Fuel Valve, Brass, 1/4" FNPT, 033304-10
$52.95
No reviews
Sea-Dog, Bait Well / Livewell Tank Drain Plugs, Brass / NeopreneSea-Dog, Bait Well / Livewell Tank Drain Plugs, Brass / Neoprene
Sea-Dog Sea-Dog, Bait Well / Livewell Tank Drain Plugs, Brass / Neoprene
From $5.05
No reviews
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Midland Metal Barstock Hose Barb 90° Elbow Brass Fittings
Midland Metal Mfg. Co. Midland Metal Barstock Hose Barb 90° Elbow Brass Fittings
From $2.75
1 review
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Jabsco Straight 1/2" Hose Barb Quad Port Kit
Jabsco Jabsco Straight 1/2" Hose Barb Quad Port Kit
$11.25
No reviews
Sea-Dog, Replacement Nylon Drain Plug, Replacement Plug Only, retail package
Sea-Dog Sea-Dog, Replacement Nylon Drain Plug, Replacement Plug Only, retail package
$4.25
No reviews
316 Stainless Steel Thru-Hulls with Barb for 5/8" to 2" Hose
Whitecap Industries 316 Stainless Steel Thru-Hulls with Barb for 5/8" to 2" Hose
From $32.95
1 review
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Groco Bronze Hose Thru HullGroco Bronze Hose Thru Hull
Groco Groco Bronze Hose Thru Hull
From $26.50
No reviews
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Forespar 253 Series, Marelon Hose Tailpipe/Mushroom Head Thru-Hull Connectors
Forespar Products Corp. Forespar 253 Series, Marelon Hose Tailpipe/Mushroom Head Thru-Hull Connectors
From $18.95
2 reviews
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Rectangular Scoop Strainer with Slide Out ScreenRectangular Scoop Strainer with Slide Out Screen
Buck Algonquin / Hydrasearch Rectangular Scoop Strainer with Slide Out Screen
From $108.96
3 reviews
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