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Premium Marine Quality Parts

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Groco Thxl Bronze Extra-Length Thru-Hull With Nut, Nps Thread - Thxl-2000-W - 34-Thxl2000Wf1

Groco, Thru-Hulls & Seacocks
$175.79

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Thxl Bronze Extra-Length Thru-Hull With Nut, Nps Thread - Thxl-1500-W - 34-Thxl1500Wf1

Groco, Thru-Hulls & Seacocks
$133.10

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Thxl Bronze Extra-Length Thru-Hull With Nut, Nps Thread - Thxl-1250-W - 34-Thxl1250Wf1

Groco, Thru-Hulls & Seacocks
$124.23

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Thxl Bronze Extra-Length Thru-Hull With Nut, Nps Thread - Thxl-1000-W - 34-Thxl1000Wf1

Groco, Thru-Hulls & Seacocks
$76.98

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Tht530 Thru Hull Installation Tool , Sizes 1/2" Through 3" - Tht-530 - 34-Tht530F1

Groco, Thru-Hulls & Seacocks
$304.59

Enables Installations GROCO thru-hull fittings by a single installer. Slide the thru-hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to the eye and place it into the already-cut hole in the hull of the boat. Apply caulking to the flange of the fitting, and pull the fitting through the hole and against the hull from inside the boat. Thread the mono-filament through the locknut or seacock. With the fitting pulled firmly against the hull the locknut or the seacock may be screwed onto the fitting.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-750-W - 34-Th750Wf1

Groco, Thru-Hulls & Seacocks
$34.10

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-500-W - 34-Th500Wf1

Groco, Thru-Hulls & Seacocks
$31.08

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-4000-W - 34-Th4000Wf1

Groco, Thru-Hulls & Seacocks
$1,662.79

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-3000-W - 34-Th3000Wf1

Groco, Thru-Hulls & Seacocks
$462.95

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-2500-W - 34-Th2500Wf1

Groco, Thru-Hulls & Seacocks
$322.43

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-2000-W - 34-Th2000Wf1

Groco, Thru-Hulls & Seacocks
$158.34

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-1500-W - 34-Th1500Wf1

Groco, Thru-Hulls & Seacocks
$105.04

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-1250-W - 34-Th1250Wf1

Groco, Thru-Hulls & Seacocks
$81.36

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Th Bronze Standard Length Thru-Hull With Nut, Nps Thread - Th-1000-W - 34-Th1000Wf1

Groco, Thru-Hulls & Seacocks
$48.81

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sth Bronze Scoop Thru-Hull With Nut - Sth-750-W - 34-Sth750Wf1

Groco, Thru-Hulls & Seacocks
$65.08

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sth Bronze Scoop Thru-Hull With Nut - Sth-500-W - 34-Sth500Wf1

Groco, Thru-Hulls & Seacocks
$51.83

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sth Bronze Scoop Thru-Hull With Nut - Sth-2500-W - 34-Sth2500Wf1

Groco, Thru-Hulls & Seacocks
$357.19

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sth Bronze Scoop Thru-Hull With Nut - Sth-2000-W - 34-Sth2000Wf1

Groco, Thru-Hulls & Seacocks
$245.45

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sth Bronze Scoop Thru-Hull With Nut - Sth-1500-W - 34-Sth1500Wf1

Groco, Thru-Hulls & Seacocks
$141.96

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sth Bronze Scoop Thru-Hull With Nut - Sth-1250-W - 34-Sth1250Wf1

Groco, Thru-Hulls & Seacocks
$127.26

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sth Bronze Scoop Thru-Hull With Nut - Sth-1000-W - 34-Sth1000Wf1

Groco, Thru-Hulls & Seacocks
$88.76

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Stainless Steel Thru-Hull Fitting, 3/4" - Th-750-Ws - 34-Th750Wsf1

Groco, Thru-Hulls & Seacocks
$29.79

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B

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Groco Stainless Steel Thru-Hull Fitting, 1/2" - Th-500-Ws - 34-Th500Wsf1

Groco, Thru-Hulls & Seacocks
$31.29

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B

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Groco Stainless Steel Thru-Hull Fitting, 1" - Th-1000-Ws - 34-Th1000Wsf1

Groco, Thru-Hulls & Seacocks
$85.09

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B

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Groco Stainless Steel Thru-Hull Fitting, 1-1/4" - Th-1250-Ws - 34-Th1250Wsf1

Groco, Thru-Hulls & Seacocks
$94.99

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B

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Groco Stainless Steel Thru-Hull Fitting, 1-1/2" - Th-1500-Ws - 34-Th1500Wsf1

Groco, Thru-Hulls & Seacocks
$99.39

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B

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Groco Ssc Bronze Engine Flush Kit And Safety Seacock Conversion - Ssc-2000 - 34-Ssc2000F1

Groco, Thru-Hulls & Seacocks
$408.29

Allows instant emergency bilge pumping, or to simplify winterization and cooling system flushing. While the engine is running, close the seacock and remove the quick release plug. Includes service adaptor.

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Groco Ssc Bronze Engine Flush Kit And Safety Seacock Conversion - Ssc-1250 - 34-Ssc1250F1

Groco, Thru-Hulls & Seacocks
$305.59

Allows instant emergency bilge pumping, or to simplify winterization and cooling system flushing. While the engine is running, close the seacock and remove the quick release plug. Includes service adaptor.

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Groco Sc2500 Bronze Slotted Strainer With Mount Ring - Sc-2500 - 34-Sc2500F1

Groco, Thru-Hulls & Seacocks
$235.74

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sc1500Al Aluminum Slotted Strainer With Mount Ring - Sc1500Al - 34-Sc1500Alf1

Groco, Thru-Hulls & Seacocks
$243.89

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.

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Groco Sc1500 Bronze Slotted Strainer With Mount Ring - Sc-1500 - 34-Sc1500F1

Groco, Thru-Hulls & Seacocks
$188.69

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sc1000 Bronze Slotted Strainer With Mount Ring - Sc-1000 - 34-Sc1000F1

Groco, Thru-Hulls & Seacocks
$88.66

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sc Bronze Slotted Strainer Without Mount Ring - Sc-2500-L - 34-Sc2500Lf1

Groco, Thru-Hulls & Seacocks
$161.79

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sc Bronze Slotted Strainer Without Mount Ring - Sc-1500-L - 34-Sc1500Lf1

Groco, Thru-Hulls & Seacocks
$89.19

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sc Bronze Slotted Strainer Without Mount Ring - Sc-1000-L - 34-Sc1000Lf1

Groco, Thru-Hulls & Seacocks
$52.09

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Rsc Bronze Round Hull Strainer With Access - Rsc-2000 - 34-Rsc2000F1

Groco, Thru-Hulls & Seacocks
$176.79

Bronze. With mounting ring. Easy access to the thru-hull fitting and seacock beneath Groco hull strainer with patented access door design. No need to remove the entire strainer to clear nuisance marine growth. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Rsc Bronze Round Hull Strainer With Access - Rsc-1000 - 34-Rsc1000F1

Groco, Thru-Hulls & Seacocks
$115.19

Bronze. With mounting ring. Easy access to the thru-hull fitting and seacock beneath Groco hull strainer with patented access door design. No need to remove the entire strainer to clear nuisance marine growth. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-750 - 34-Pthd750F1

Groco, Hoses, Clamps & Fittings
$25.59

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-3000 - 34-Pthd3000F1

Groco, Hoses, Clamps & Fittings
$216.99

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-2500 - 34-Pthd2500F1

Groco, Hoses, Clamps & Fittings
$165.99

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-2000 - 34-Pthd2000F1

Groco, Hoses, Clamps & Fittings
$90.69

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-1500 - 34-Pthd1500F1

Groco, Hoses, Clamps & Fittings
$72.49

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-1250 - 34-Pthd1250F1

Groco, Hoses, Clamps & Fittings
$46.89

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-1000 - 34-Pthd1000F1

Groco, Hoses, Clamps & Fittings
$31.29

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-750 - 34-Pthc750F1

Groco, Hoses, Clamps & Fittings
$23.77

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-5062 - 34-Pthc5062F1

Groco, Hoses, Clamps & Fittings
$19.29

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-3000 - 34-Pthc3000F1

Groco, Hoses, Clamps & Fittings
$232.20

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-2500 - 34-Pthc2500F1

Groco, Hoses, Clamps & Fittings
$183.48

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-2000 - 34-Pthc2000F1

Groco, Hoses, Clamps & Fittings
$106.50

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1500 - 34-Pthc1500F1

Groco, Hoses, Clamps & Fittings
$74.05

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1250 - 34-Pthc1250F1

Groco, Hoses, Clamps & Fittings
$53.19

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1125 - 34-Pthc1125F1

Groco, Hoses, Clamps & Fittings
$48.91

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1000 - 34-Pthc1000F1

Groco, Hoses, Clamps & Fittings
$37.13

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-750 - 34-Pth750F1

Groco, Hoses, Clamps & Fittings
$14.91

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-5062 - 34-Pth5062F1

Groco, Hoses, Clamps & Fittings
$13.45

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-500 - 34-Pth500F1

Groco, Hoses, Clamps & Fittings
$11.88

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-4000 - 34-Pth4000F1

Groco, Hoses, Clamps & Fittings
$348.79

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-3000 - 34-Pth3000F1

Groco, Hoses, Clamps & Fittings
$159.70

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-2500 - 34-Pth2500F1

Groco, Hoses, Clamps & Fittings
$119.85

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-2000 - 34-Pth2000F1

Groco, Hoses, Clamps & Fittings
$60.70

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1500 - 34-Pth1500F1

Groco, Hoses, Clamps & Fittings
$45.89

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1250 - 34-Pth1250F1

Groco, Hoses, Clamps & Fittings
$35.67

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1125 - 34-Pth1125F1

Groco, Hoses, Clamps & Fittings
$32.64

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1000 - 34-Pth1000F1

Groco, Hoses, Clamps & Fittings
$20.85

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pnc Bronze Check Valve - Pnc-750 - 34-Pnc750F1

Groco, Hoses, Clamps & Fittings
$28.49

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

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Groco Pnc Bronze Check Valve - Pnc-500 - 34-Pnc500F1

Groco, Hoses, Clamps & Fittings
$24.29

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

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Groco Pnc Bronze Check Valve - Pnc-2000 - 34-Pnc2000F1

Groco, Hoses, Clamps & Fittings
$98.67

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

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Groco Pnc Bronze Check Valve - Pnc-1500 - 34-Pnc1500F1

Groco, Hoses, Clamps & Fittings
$75.41

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

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Groco Pnc Bronze Check Valve - Pnc-1250 - 34-Pnc1250F1

Groco, Hoses, Clamps & Fittings
$62.39

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

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Groco Pnc Bronze Check Valve - Pnc-1000 - 34-Pnc1000F1

Groco, Hoses, Clamps & Fittings
$43.99

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

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Groco Ibv750 Bronze Full-Flow In-Line Ball Valve - Ibv-750 - 34-Ibv750F1

Groco, Hoses, Clamps & Fittings
$55.80

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv500 Bronze Full-Flow In-Line Ball Valve - Ibv-500 - 34-Ibv500F1

Groco, Hoses, Clamps & Fittings
$48.71

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv4000 Bronze Full-Flow In-Line Ball Valve - Ibv-4000 - 34-Ibv4000F1

Groco, Hoses, Clamps & Fittings
$1,909.69

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv375 Bronze Full-Flow In-Line Ball Valve - Ibv-375 - 34-Ibv375F1

Groco, Hoses, Clamps & Fittings
$34.29

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv3000 Bronze Full-Flow In-Line Ball Valve - Ibv-3000 - 34-Ibv3000F1

Groco, Hoses, Clamps & Fittings
$1,133.29

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv2500 Bronze Full-Flow In-Line Ball Valve - Ibv-2500 - 34-Ibv2500F1

Groco, Hoses, Clamps & Fittings
$643.99

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv250 Bronze Full-Flow In-Line Ball Valve - Ibv-250 - 34-Ibv250F1

Groco, Hoses, Clamps & Fittings
$34.29

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv2000 Bronze Full-Flow In-Line Ball Valve - Ibv-2000 - 34-Ibv2000F1

Groco, Hoses, Clamps & Fittings
$348.82

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv1500 Bronze Full-Flow In-Line Ball Valve - Ibv-1500 - 34-Ibv1500F1

Groco, Hoses, Clamps & Fittings
$195.79

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv1250 Bronze Full-Flow In-Line Ball Valve - Ibv-1250 - 34-Ibv1250F1

Groco, Hoses, Clamps & Fittings
$145.82

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv1000 Bronze Full-Flow In-Line Ball Valve - Ibv-1000 - 34-Ibv1000F1

Groco, Hoses, Clamps & Fittings
$102.95

Patented field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Handle has square hole to accept standard ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-750-S - 34-Ibv750Sf1

Groco, Hoses, Clamps & Fittings
$109.69

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

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Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-2000-S - 34-Ibv2000Sf1

Groco, Hoses, Clamps & Fittings
$305.59

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

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Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-1500-S - 34-Ibv1500Sf1

Groco, Hoses, Clamps & Fittings
$238.49

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

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Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-1250-S - 34-Ibv1250Sf1

Groco, Hoses, Clamps & Fittings
$184.99

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

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Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-1000-S - 34-Ibv1000Sf1

Groco, Hoses, Clamps & Fittings
$116.49

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

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Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-750 - 34-Ibvf750F1

Groco, Thru-Hulls & Seacocks
$90.33

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line valve (or other tapered thread component) on top. Also provides a safe, sturdy assembly when in-line valves are used as seacocks.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-2500 - 34-Ibvf2500F1

Groco, Thru-Hulls & Seacocks
$303.49

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line valve (or other tapered thread component) on top. Also provides a safe, sturdy assembly when in-line valves are used as seacocks.

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Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-2000 - 34-Ibvf2000F1

Groco, Thru-Hulls & Seacocks
$167.39

NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-1500 - 34-Ibvf1500F1

Groco, Thru-Hulls & Seacocks
$143.53

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line valve (or other tapered thread component) on top. Also provides a safe, sturdy assembly when in-line valves are used as seacocks.

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Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-1250 - 34-Ibvf1250F1

Groco, Thru-Hulls & Seacocks
$110.98

NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-1000 - 34-Ibvf1000F1

Groco, Thru-Hulls & Seacocks
$97.63

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line valve (or other tapered thread component) on top. Also provides a safe, sturdy assembly when in-line valves are used as seacocks.

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Groco Hvl750 Bronze Vented Loop For Hose - Hvl-750 - 34-Hvl750F1

Groco, Hoses, Clamps & Fittings
$398.69

HVL series vented loops are for hose connections. The oversized vent valve is virtually clog-free, and can easily be removed without tools for inspection or cleaning by unscrewing the threaded cap. Cap has 1/2" thread for optional overboard venting. Mounting hardware is included.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Hvl1500 Bronze Vented Loop For Hose - Hvl-1500 - 34-Hvl1500F1

Groco, Hoses, Clamps & Fittings
$452.99

HVL series vented loops are for hose connections. The oversized vent valve is virtually clog-free, and can easily be removed without tools for inspection or cleaning by unscrewing the threaded cap. Cap has 1/2" thread for optional overboard venting. Mounting hardware is included.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Hvl1000 Bronze Vented Loop For Hose - Hvl-1000 - 34-Hvl1000F1

Groco, Hoses, Clamps & Fittings
$397.29

HVL series vented loops are for hose connections. The oversized vent valve is virtually clog-free, and can easily be removed without tools for inspection or cleaning by unscrewing the threaded cap. Cap has 1/2" thread for optional overboard venting. Mounting hardware is included.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Hthc-S #316 Ss Hose Thru-Hull 90 Degree With Bronze Nut - Hthc-750-S - 34-Hthc750Sf1

Groco, Thru-Hulls & Seacocks
$78.19

Includes locknut.

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Groco Hthc-S #316 Ss Hose Thru-Hull 90 Degree With Bronze Nut - Hthc-2000-S - 34-Hthc2000Sf1

Groco, Thru-Hulls & Seacocks
$249.59

Includes locknut.

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Groco Hthc-S #316 Ss Hose Thru-Hull 90 Degree With Bronze Nut - Hthc-1500-S - 34-Hthc1500Sf1

Groco, Thru-Hulls & Seacocks
$270.79

Includes locknut.

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Groco Hthc-S #316 Ss Hose Thru-Hull 90 Degree With Bronze Nut - Hthc-1250-S - 34-Hthc1250Sf1

Groco, Thru-Hulls & Seacocks
$153.29

Includes locknut.

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Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.