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Premium Marine Quality Parts

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Groco Cv Bronze In-Line Check Valve - Cv-75 - 34-Cv75F1

Groco, Hoses, Clamps & Fittings
$50.69
In-line check valve may be used in water or fuel systems to keep pumps primed and to prevent back-flow in pressure systems. Unique design reduces flow turbulence and restriction, and improves pump per... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FF fittings are designed to accommodate the designed full pipe size flow and to provide an unrest... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FFC fittings are designed to accommodate the designed full pipe size flow and to provide an unres... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FFC fittings are designed to accommodate the designed full pipe size flow and to provide an unres... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FFC fittings are designed to accommodate the designed full pipe size flow and to provide an unres... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FFC fittings are designed to accommodate the designed full pipe size flow and to provide an unres... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FFC fittings are designed to accommodate the designed full pipe size flow and to provide an unres... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FFC fittings are designed to accommodate the designed full pipe size flow and to provide an unres... More Details

Used for connecting hose to valve, seacocks, strainers or any hardware having female NPT pipe threads. FFC fittings are designed to accommodate the designed full pipe size flow and to provide an unres... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

For fuel or waterFour Positions: Tank-1, Tank-2, Tanks 1 & 2, OffFull 1" flowAudible "click" at each handle positionFor thru panel mountingNOT TO BE USED IN POTABLE WATER SYSTEMS... More Details

For fuel or waterFour Positions: Tank-1, Tank-2, Tanks 1 & 2, OffFull 1/2" flowAudible "click" at each handle positionFor thru panel mountingNOT TO BE USED IN POTABLE WATER SYSTEMS... More Details

For fuel or waterBottom port is common. Select between four outlets.Full 1/2" flowAudible "click" at each handle positionFor thru-panel mountingC83600 bronze constructionNOT TO BE USED IN POTABLE WATE... More Details

For fuel or waterFull 3/4" flowAudible "click" at each handle positionFor thru panel mounting... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

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Groco Hth1000 Bronze Hose Thru-Hull - Hth-1000 - 34-Hth1000F1

Groco, Thru-Hulls & Seacocks
$63.83
Includes locknut.... More Details

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Groco Hth1125 Bronze Thru-Hull - Hth-1125 - 34-Hth1125F1

Groco, Thru-Hulls & Seacocks
$71.13
Includes locknut.... More Details

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Groco Hth1250 Bronze Hose Thru-Hull - Hth-1250 - 34-Hth1250F1

Groco, Thru-Hulls & Seacocks
$84.17
Includes locknut.... More Details

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Groco Hth1500 Bronze Hose Thru-Hull - Hth-1500 - 34-Hth1500F1

Groco, Thru-Hulls & Seacocks
$101.49
Includes locknut.... More Details

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Groco Hth2000 Bronze Thru-Hull - Hth-2000 - 34-Hth2000F1

Groco, Thru-Hulls & Seacocks
$132.09
Includes locknut.... More Details

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Groco Hth500 Bronze Thru-Hull - Hth-500 - 34-Hth500F1

Groco, Thru-Hulls & Seacocks
$30.45
Includes locknut.... More Details

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Groco Hth625 Bronze Hose Thru-Hull - Hth-625 - 34-Hth625F1

Groco, Thru-Hulls & Seacocks
$37.59
Includes locknut.... More Details

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Groco Hth750 Bronze Thru-Hull - Hth-750 - 34-Hth750F1

Groco, Thru-Hulls & Seacocks
$46.41
Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

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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. Ca... More Details

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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. Ca... More Details

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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. Ca... More Details

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 v... More Details

NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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 v... More Details

NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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 v... More Details

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 v... More Details

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 v... More Details

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 v... More Details

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 v... More Details

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 v... More Details

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 v... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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 ratche... More Details

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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 (gree... More Details

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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 (gree... More Details

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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 (gree... More Details

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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 (gree... More Details

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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 (gree... More Details

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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 (gree... More Details

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

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

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

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

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

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

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

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

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

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

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

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

Page 18 of 56
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.