U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Packed and shipped within Canada!

Premium Marine Quality Parts

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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-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-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-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-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 Polyethylene Filter Basket - 34-Bp6 - 34-Bp6F1

Groco, Filters, Oils & Lubricants
$121.59

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Groco Polyethylene Filter Basket - Bp-1 - 34-Bp1F1

Groco, Filters, Oils & Lubricants
$82.39

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Groco Polyethylene Filter Basket - Bp-11 - 34-Bp11F1

Groco, Filters, Oils & Lubricants
$135.79

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Groco Polyethylene Filter Basket - Bp-2 - 34-Bp2F1

Groco, Filters, Oils & Lubricants
$91.59

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Groco Polyethylene Filter Basket - Bp-4 - 34-Bp4F1

Groco, Filters, Oils & Lubricants
$102.79

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Groco Polyethylene Filter Basket - Bp-5 - 34-Bp5F1

Groco, Filters, Oils & Lubricants
$117.99

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Groco Polyethylene Filter Basket - Bp-8 - 34-Bp8F1

Groco, Filters, Oils & Lubricants
$137.09

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Groco Polyethylene Filter Basket For Arg Strainer - Bp-15 - 34-Bp15F1

Groco, Filters, Oils & Lubricants
$141.29

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Groco Polyethylene Filter Basket For Arg Strainer - Bp-3 - 34-Bp3F1

Groco, Filters, Oils & Lubricants
$108.79

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Groco Polyethylene Filter Basket For Arg Strainer - Bp-7 - 34-Bp7F1

Groco, Filters, Oils & Lubricants
$116.59

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Groco Pst-1 Pressure Storage Tank - Pst-1 - 34-Pst1F1

Groco, Miscellaneous
$474.49

A pneumatic pressure charge, matched to the pump cut-on pressure prevents waterlogging by separating the air charge from system water pressure with a rubber bladder. The result is smooth pressure delivery, even temperature mix in showers, and reduced pump cycling. Mounts in any position and anywhere in the cold water plumbing after the pump. May be used for fresh or salt water. Operating pressure up to 100 psi. Mounting hardware included.

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Groco Pst-2 Pressure Storage Tank - Pst2 - 34-Pst2F1

Groco, Miscellaneous
$675.99

A pneumatic pressure charge, matched to the pump cut-on pressure prevents waterlogging by separating the air charge from system water pressure with a rubber bladder. The result is smooth pressure delivery, even temperature mix in showers, and reduced pump cycling. Mounts in any position and anywhere in the cold water plumbing after the pump. May be used for fresh or salt water. Operating pressure up to 100 psi. Mounting hardware included.

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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 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-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-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-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-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-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-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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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.