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.

Port Fitting - 3/4" 90° Hose Barb, 1201R
Rule Industries Port Fitting - 3/4" 90° Hose Barb, 1201R
$17.38
No reviews
Elbow Swivel Fitting, 1⁄2" Female NPT Wing Nut to 5⁄8" Barb
Shurflo Elbow Swivel Fitting, 1⁄2" Female NPT Wing Nut to 5⁄8" Barb
$4.81
2 reviews
Sea-Dog, Cast 316 Stainless Steel Exhaust Thru-HullsSea-Dog, Cast 316 Stainless Steel Exhaust Thru-Hulls
Sea-Dog Sea-Dog, Cast 316 Stainless Steel Exhaust Thru-Hulls
$121.31
1 review
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Perko, Thru Hull Connections, for Hoses, Plastic, Wide Flange
Perko Perko, Thru Hull Connections, for Hoses, Plastic, Wide Flange
From $3.80 $4.47
No reviews
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Groco, Bronze Thru-Hull Scoop Strainers, STH Series
Groco Groco, Bronze Thru-Hull Scoop Strainers, STH Series
From $31.50
2 reviews
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Buck Algonquin Bronze Scoop Strainers, Surface Mount
Buck Algonquin / Hydrasearch Buck Algonquin Bronze Scoop Strainers, Surface Mount
From $57.32
1 review
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Groco Perforated Hull Strainer with Access Door
Groco Groco Perforated Hull Strainer with Access Door
$255.95
No reviews
Forespar Marelon MF 850 Ball Valves
Forespar Products Corp. Forespar Marelon MF 850 Ball Valves
From $47.95
No reviews
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Bosworth "Easy-Turning" Base Mount Y-Valve
The Bosworth Co. Bosworth "Easy-Turning" Base Mount Y-Valve
$83.99
1 review
Adapter 1/2" BSP
Whale Water Systems Adapter 1/2" BSP
$5.81
No reviews
Pipe Nipple 3/4" Cast Bronze
Groco Pipe Nipple 3/4" Cast Bronze
$10.50
No reviews
Forespar Sta Plug for Boat Leak Emergencies
Forespar Products Corp. Forespar Sta-Plug Soft Emergency Plug
$29.33
1 review
On Sale
Perko Bronze Pipe to Hose Adapter
Perko Perko Bronze Pipe to Hose Adapter
From $14.22 $36.98
No reviews
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Midland Metal Nylon Tee Plastic Fitting
Midland Metal Mfg. Co. Midland Metal Nylon Tee Plastic Fitting
From $1.35
No reviews
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Midland Metal Nylon Splices
Midland Metal Mfg. Co. Midland Metal Nylon Splices
From $0.85
No reviews
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Forespar Female Threaded Hose Adapters
Forespar Products Corp. Forespar Female Threaded Hose Adapters
From $7.21
No reviews
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Shurflo Pump Fitting
Shurflo Shurflo Pump Fitting
$4.56
No reviews
#316 SS Pipe To Hose Adapter 1"
Groco #316 SS Pipe To Hose Adapter 1"
$18.56
No reviews
Moeller 1" Brass Turn-Tite Bailer Drain Plug
Moeller Moeller 1" Brass Turn-Tite Bailer Drain Plug
$8.25
No reviews
Engineered Marine Products Fitting Hose Barb 1/4 Npt 3/8
$4.15
No reviews
Centek, Exhaust Thru-Hull with Flapper
Centek Industries Centek, Exhaust Thru-Hull with Flapper
From $90.15
No reviews
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Titus S1 H2O System, Black
B&B Molders Titus S1 H2O System, Black
$31.95
No reviews
City/Gravity Water Center w/Brass Check Valve, Key Lock, Polar WhiteCity/Gravity Water Center w/Brass Check Valve, Key Lock, Polar White
B&B Molders City/Gravity Water Center w/Brass Check Valve, Key Lock, Polar White
$53.50
No reviews
3/4" Elbow Hose Barb - 6 GPM
Xylem 3/4" Elbow Hose Barb - 6 GPM
$10.50
No reviews

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