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.

Thru Hull Installation Step Wrench, 1/2" to 1-1/2"
Buck Algonquin / Hydrasearch Thru Hull Installation Step Wrench, 1/2" to 1-1/2"
$58.85
1 review
Legend Valve - Full-Flow Bronze Gate Valves, Model T-415, FNPT
Legend Valve Legend Valve - Full-Flow Bronze Gate Valves, Model T-415, FNPT
From $13.25
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Fuel Three Way Valve, Bottom Outlet, Brass 1/4" FNPT, 033302-10
Moeller Fuel Three Way Valve, Bottom Outlet, Brass 1/4" FNPT, 033302-10
$52.95
No reviews
Sea-Dog, Garboard Drain Plug, Replacement Plug Only
Sea-Dog Sea-Dog, Garboard Drain Plug, Replacement Plug Only
$8.25
No reviews
Forespar 907001 Transom Drain Plug Only
Forespar Products Corp. Forespar 907001 Transom Drain Plug Only
$14.50
No reviews
Groco, 316 Stainless Steel Thru Hull with Nut, TH SeriesGroco, 316 Stainless Steel Thru Hull with Nut, TH Series
Groco Groco, 316 Stainless Steel Thru Hull with Nut, TH Series
From $17.75
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Groco, Bronze Slotted Scoop Strainer with Ring, SC Series
Groco Groco, Bronze Slotted Scoop Strainer with Ring, SC Series
From $53.50
1 review
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Forespar Marelon Scoop Strainer Thru HullForespar Marelon Scoop Strainer Thru Hull
Forespar Products Corp. Forespar Marelon Scoop Strainer Thru Hull
From $34.50
1 review
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Jabsco In-Line Non-Return Valves
Jabsco Jabsco In-Line Non-Return Valves
From $28.50
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Midland Metal Bronze Reducing Couplings
Midland Metal Mfg. Co. Midland Metal Bronze Reducing Couplings
From $5.50
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Midland Metal Female 37° JIC Flare Swivel Brass Fitting
Midland Metal Mfg. Co. Midland Metal Female 37° JIC Flare Swivel Brass Fitting
From $3.92
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Midland Metal SAE Flare Female Swivel Push-On Hose Barb Fitting
Midland Metal Mfg. Co. Midland Metal SAE Flare Female Swivel Push-On Hose Barb Fitting
From $3.85
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Replacement Steel Lever Valve Handle (only) fits 1-1/2" Legend 901 Ball Valves
Legend Valve Replacement Steel Lever Valve Handle (only) fits 1-1/2" Legend 901 Ball Valves
$5.73
1 review
Stem Elbow
Whale Water Systems Stem Elbow
$5.81
1 review
Equal Straight
Whale Water Systems Equal Straight
$6.08
No reviews
Equal Elbow
Whale Water Systems Equal Elbow
$5.13
No reviews
Whale Marine Adaptor Male 1/2 in. Bsp To 15mm
Whale Water Systems Whale Marine Adaptor Male 1/2 in. Bsp To 15mm
$4.69
No reviews
Sea-Dog T-Handle Drain PlugSea-Dog T-Handle Drain Plug
Sea-Dog Sea-Dog T-Handle Drain Plug
From $5.75
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Midland Metal Nylon Union Elbow
Midland Metal Mfg. Co. Midland Metal Nylon Union Elbow
From $1.29
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Midland Industries Nylon Elbow Fitting, Hose Barb x MIP (NPT) Threaded
Midland Metal Mfg. Co. Midland Industries Nylon Elbow Fitting, Hose Barb x MIP (NPT) Threaded
From $1.35
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Groco, Bronze Straight Tail Piece, TP Series
Groco Groco, Bronze Straight Tail Piece, TP Series
From $55.01
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Forespar Marelon Tailpipes/Hose Connectors
Forespar Products Corp. Forespar Marelon Tailpipes/Hose Connectors
From $4.95
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Forespar HECF Marelon Elbows Female NPT to Hose Barb, 90 Deg.Forespar HECF Marelon Elbows Female NPT to Hose Barb, 90 Deg.
Forespar Products Corp. Forespar HECF Marelon Elbows Female NPT to Hose Barb, 90 Deg.
From $4.15
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Buck Algonquin Bronze Pipe to Hose Reducing Adapters
Buck Algonquin / Hydrasearch Buck Algonquin Bronze Pipe to Hose Reducing Adapters
From $13.48
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