Seacocks & Thru-Hulls

Perko 0328DP6 White Polymer Thru-HullThis Perko broad-flange thru-hull connects 1-inch hose to an above-waterline discharge. Its molded white polym...

Perko 0328DP8 White Polymer Thru-HullThis Perko broad-flange thru-hull connects 1-1/2-inch hose to an above-waterline discharge. Its molded white p...

Bronze Thru-hullsThru Hull 1-1/4" W/nut Brz All bronze castings (C83600) UL Listed 647B NPSM/NPT combination thread Comes with nut Brand: Gro...

PLASTIC THRUHULL 1-1/8

PLASTIC THRU-HULL 1/2"" "

Bronze Thru-hullsThru Hull 1-1/2" W/nut Brz All bronze castings (C83600) UL Listed 647B NPSM/NPT combination thread Comes with nut Brand: Gro...

Composite Thru HullsThr-hul 1"X90 CompositeManufactured with high quality stainless steel caps and engineered composite bodies, these thru-hulls ar...

NPSM / NPT combination thread

NPSM / NPT combination thread

NPSM / NPT combination thread

NPSM / NPT combination thread

Buck Algonquin Bronze Through-Hull Fitting — 3/4" Extra LongA properly installed through-hull is one of the most critical fittings on any boat. Thi...

Buck Algonquin Bronze Through-Hull Fitting — 1"The 1" through-hull is one of the most versatile sizes in marine plumbing — large enough for solid f...

Attwood Composite Thru-Hull 1-1/8 in - ATT-68557-1 Composite thru-hull fitting, 1-1/8 in. Marine fitting for above-waterline or compatible plumbing...

Attaches directly to your thru-hull for quick and easy installation Protects boat from unsightly stains Composed of a soft and durable rubber comp...

Original Sea-Dog Dripper Guard 3M adhesive stain guards, made from Nitrile-Buna rubber. Fit along the bottom edge of a compatible thru-hull fitting...

Feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drainage above t...

Feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drainage above t...

Feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drainage above t...

Feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drainage above t...

Feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drainage above t...

Thru-Hulls feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drain...

Thru-Hulls feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drain...

Thru-Hulls feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drain...

Thru-Hulls feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drain...

Thru-Hulls feature Polypropylene bodies with 304 stainless caps. Designed to allow water to pass in or out of a vessel. For use with hose for drain...

Enables Installations GROCO thru-hull fittings by a single installer. Slide the thru-hull fitting, flanged end first, over the tool. (It will stop ...

Ball valve design. Cast bronze. Meets needs of applications that require long, scoop or flush type thru-hulls. NOT TO BE USED IN POTABLE WATER SYST...

Ball valve design. Cast bronze. Meets needs of applications that require long, scoop or flush type thru-hulls.

Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside ti...

Cast bronze. Screw size is #8. Strainer is 3" x 4", except for 65DP7PLB which is 3-1/4" x 4-1/4". Includes nut. UL Listed. NOT TO BE USED IN POTABL...

Perko 0328 white molded-polymer thru-hull connections have a broad flange and a straight hose connection. Choose the hose size required. Each retai...

Designed to deliver full flow of liquid at ultra low pressure differential while providing effective filtration. Stainless steel screen provides a ...

Designed to deliver full flow of liquid at ultra low pressure differential while providing effective filtration. Stainless steel screen provides a ...

Designed to deliver full flow of liquid at ultra low pressure differential while providing effective filtration. Stainless steel screen provides a ...

Mount in the lowest part of bilge to secure the intake line. Strainers are valuable in minimizing intake of debris. Supplied with non-return valves.

Mount in the lowest part of bilge to secure the intake line. Strainers are valuable in minimizing intake of debris. Supplied with non-return valves.

Brass valves for use in W.O.G. = Water, Oil and Gas: W.S.P. = Working Steam Pressure applications.Two piece Full Port body w/Blowout-Proof Stem &am...

Brass valves for use in W.O.G. = Water, Oil and Gas: W.S.P. = Working Steam Pressure applications.Two piece Full Port body w/Blowout-Proof Stem &am...

Brass valves for use in W.O.G. = Water, Oil and Gas: W.S.P. = Working Steam Pressure applications.Two piece Full Port body w/Blowout-Proof Stem &am...

Brass valves for use in W.O.G. = Water, Oil and Gas: W.S.P. = Working Steam Pressure applications.Two piece Full Port body w/Blowout-Proof Stem &am...

Brass valves for use in W.O.G. = Water, Oil and Gas: W.S.P. = Working Steam Pressure applications.Two piece Full Port body w/Blowout-Proof Stem &am...

Brass valves for use in W.O.G. = Water, Oil and Gas: W.S.P. = Working Steam Pressure applications.Two piece Full Port body w/Blowout-Proof Stem &am...

Pipe female ends 3 port 2 -way.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Pipe female ends 3 port 2 -way.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Prevents dirt and other particles from entering pump intake. Cuts down on repairs. Transparent housing for quick inspection, 50 mesh stainless stee...