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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Groco 1-1/2" Standard Flow #316 SS Pipe/Hose + Street Elbow
Groco Groco 1-1/2" Standard Flow #316 SS Pipe/Hose + Street Elbow
$61.30
No reviews
Groco 1-1/2" SS Straight Standard Flow Pipe-to-Hose Fitting
Groco Groco 1-1/2" SS Straight Standard Flow Pipe-to-Hose Fitting
$30.76
No reviews
Groco 3/4" Standard Flow #316 SS Pipe/Hose + Street Elbow
Groco Groco 3/4" Standard Flow #316 SS Pipe/Hose + Street Elbow
$25.32
No reviews
Moeller 1" Brass Turn-Tite Bailer Drain Plug
Moeller Moeller 1" Brass Turn-Tite Bailer Drain Plug
$8.25
No reviews
Moeller 1" O.D. Flanging Tool
Moeller Moeller 1" O.D. Flanging Tool
$49.50
No reviews
On Sale
Sea-Dog, Garboard Drain & Plug, Display PackageSea-Dog, Garboard Drain & Plug, Display Package
Sea-Dog Sea-Dog, Garboard Drain & Plug, Display Package
$16.86 $17.75
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Sea-Dog 5200591 Emergency Garboard Drain Plug
Sea-Dog Sea-Dog 5200591 Emergency Garboard Drain Plug
$14.76
No reviews
Thru-Hull w/Scupper
Sea-Dog Thru-Hull w/Scupper
$26.51
No reviews
Brass Snap Handle Drain Plug, 1" w/o Chain, 25 pc Display
Sea-Dog Brass Snap Handle Drain Plug, 1" w/o Chain, 25 pc Display
$171.46
No reviews
Scandvik Sink Drain, Chrome Plated Brass w/Flip Stopper
Scandvik Scandvik Sink Drain, Chrome Plated Brass w/Flip Stopper
$43.08
No reviews
1-1/4 Sink Drain (10300)
Scandvik 1-1/4 Sink Drain (10300)
$23.97
No reviews
Forespar CF253S Marelon Hose Tailpipe Mushroom Head Thru Hull w/Nut & Screen, White
Forespar Products Corp. Forespar CF253S Marelon Hose Tailpipe Mushroom Head Thru Hull w/Nut & Screen, White
$34.84
No reviews
Centek, Exhaust Thru-Hull with Flapper
Centek Industries Centek, Exhaust Thru-Hull with Flapper
From $90.15
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865-94212 Inline Plastic Check Valve865-94212 Inline Plastic Check Valve
B&B Molders 865-94212 Inline Plastic Check Valve
$14.77
No reviews
865-94219 City Water Dish w/Brass Check Valve, Black
B&B Molders 865-94219 City Water Dish w/Brass Check Valve, Black
$25.63
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
Brass Twist Turn Handle 053062-24
SeaStar Solutions Brass Twist Turn Handle 053062-24
$4.55
No reviews
Bronze Cored Square Head Plugs
Midland Metal Mfg. Co. Bronze Cored Square Head Plugs
From $5.54
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Bronze Pipe Couplings
Midland Metal Mfg. Co. Bronze Pipe Couplings
From $4.62
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304 Stainless Steel Pipe Couplings304 Stainless Steel Pipe Couplings
Midland Metal Mfg. Co. 304 Stainless Steel Pipe Couplings
From $5.95
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On Sale
Sea-Dog, Thru-Hull, Polypropylene, WhiteSea-Dog, Thru-Hull, Polypropylene, White
Sea-Dog Sea-Dog, Thru-Hull, Polypropylene, White
From $5.46 $5.75
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Perko Bronze Hull Mount Scoop Strainer
Perko Perko Bronze Hull Mount Scoop Strainer
From $46.06
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Perko, Intake Strainer
Perko Perko, Intake Strainer
From $66.50
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Transom Exhaust Fittings built for your boat using cast bronze or polished stainless steel to give you many years of use.
Buck Algonquin / Hydrasearch Transom Exhaust Fittings built for your boat using cast bronze or polished stainless steel to give you many years of use.
From $179.99
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