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.

On Sale
Perko Thru-Hull Connection for Use with Hose
Perko Perko Thru-Hull Connection for Use with Hose
From $6.16 $7.25
No reviews
Choose options
Bronze Cored Square Head Plugs
Midland Metal Mfg. Co. Bronze Cored Square Head Plugs
From $6.25
No reviews
Choose options
Bronze Pipe Cap
Midland Metal Mfg. Co. Bronze Pipe Cap
From $3.62
No reviews
Choose options
Red Brass Pipe Nipples
Midland Metal Mfg. Co. Red Brass Pipe Nipples
From $2.24
2 reviews
Choose options
Forespar 250 Series Flush Head Marelon Thru Hull
Forespar Products Corp. Forespar 250 Series Flush Head Marelon Thru Hull
From $16.25
No reviews
Choose options
Groco, Bronze Thru-Hull Fitting, Long, THXL Series, w/ Nut
Groco Groco, Bronze Thru-Hull Fitting, Long, THXL Series, w/ Nut
From $39.50
No reviews
Choose options
Groco, Straight Stainless Steel Thru-Hull Fittings, HTH-xxx-S SeriesGroco, Straight Stainless Steel Thru-Hull Fittings, HTH-xxx-S Series
Groco Groco, Straight Stainless Steel Thru-Hull Fittings, HTH-xxx-S Series
From $28.95
No reviews
Choose options
On Sale
Bronze Extra Long Threaded Thru Hulls with Nut
Buck Algonquin / Hydrasearch Bronze Extra Long Threaded Thru Hulls with Nut
From $38.99 $120.48
No reviews
Choose options
Bronze Thru Hull, Flush TypeBronze Thru Hull, Flush Type
Buck Algonquin / Hydrasearch Bronze Thru Hull, Flush Type
From $41.63
No reviews
Choose options
Forespar 906062 Scoop, 1-1/4"
Forespar Products Corp. Forespar 906062 Scoop, 1-1/4"
$8.96
1 review
Forespar Marelon Y ValvesForespar Marelon Y Valves
Forespar Products Corp. Forespar Marelon Y Valves
From $64.95
1 review
Choose options
Midland Copper Flare Gasket
Midland Metal Mfg. Co. Midland Copper Flare Gasket
From $0.35
No reviews
Choose options
Banjo 1-1/4" Male Thread and 1-1/2" 90° Hose Barb
Banjo Banjo 1-1/4" Male Thread and 1-1/2" 90° Hose Barb
$12.61
1 review
On Sale
Rule 90° Elbow Adapters
Rule Industries Rule 90° Elbow Adapters
From $13.60 $14.75
No reviews
Choose options
Groco, Bronze In-Line Check Valve, CV Series
Groco Groco, Bronze In-Line Check Valve, CV Series
From $30.50
No reviews
Choose options
Groco Stainless Steel Ball Valves, IBV-S Series
Groco Groco Stainless Steel Ball Valves, IBV-S Series
From $49.14
No reviews
Choose options
Bosworth Base Mount Y-Valve, Smooth 1" Hose , YV-094D-B-30-505050<br>
The Bosworth Co. Bosworth Base Mount Y-Valve, Smooth 1" Hose , YV-094D-B-30-505050
$65.50
No reviews
Shut-Off Valve - Plastic Body
Whale Water Systems Shut-Off Valve - Plastic Body
$27.99
1 review
Groco NPT Bronze 6 Port Fuel ValveGroco NPT Bronze 6 Port Fuel Valve
Groco Groco NPT Bronze 6 Port Fuel Valve
$259.95
No reviews
Forespar Y-Valve 3/4" Male Adapters NPSMForespar Y-Valve 3/4" Male Adapters NPSM
Forespar Products Corp. Forespar Y-Valve 3/4" Male Adapters NPSM
$63.95
No reviews
Stem Adapter 1/2" NTP Male Brass
Whale Water Systems Stem Adapter 1/2" NTP Male Brass
$22.71
No reviews
Stem Tee
Whale Water Systems Stem Tee
$7.14
1 review
Equal Tee
Whale Water Systems Equal Tee
$7.34
No reviews
WPYP611 Pipe Y
Whale Water Systems WPYP611 Pipe Y
$13.68
No reviews

Recently viewed