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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Drain your tank with a push of a switch! Easy to convert, convenient switch location, valve open warning light, and pre-wired for simple plug-in operation. High-torque, water resistant electric motor ... More Details
A universal, threaded sewer fitting with a standard bayonet end. Makes 6 different types of sewer connections with a gas tight fit. The standard bayonet fitting can be used to easily mix and match sew... More Details
A universal, threaded sewer fitting with a standard bayonet end. Makes 6 different types of sewer connections with a gas tight fit. The standard bayonet fitting can be used to easily mix and match sew... More Details
Joins two outlet hoses to one sewer hose line Used when unit has two separate tank valveRotating bayonet ends ensure that hose lays flatFour durable hooks... More Details
This system includes a valve adapter, coupler and universal sewer adapter. Carded... More Details
Includes FO2-3103 90° Elbow and FO2-3105 Sewer Thread Attachment. Carded, red.... More Details
Removes clogs in drain pipes Refills and flushes tank at any height or bend of plumbingAttaches quickly and easilyBuilt in backflow preventerImproves sensor performance... More Details
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Valterra F022023 90° Hose Coupler, 3" X 3" - F02-2023 - 800-F022023F1

Valterra, Fittings, Hoses & Valves
$7.39
Internal hose coupler.... More Details
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Valterra F022024 45° Hose Coupler, 3" X 3" - F02-2024 - 800-F022024F1

Valterra, Fittings, Hoses & Valves
$8.29
Internal hose coupler.... More Details
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Valterra F022025 Straight Hose Coupler, 3" - F02-2025 - 800-F022025F1

Valterra, Fittings, Hoses & Valves
$3.69
Internal hose coupler.... More Details
Joins two outlet hoses to one sewer hose lineUsed when unit has two separate tank valvesRotating bayonet ends ensure that hose lays flat4 durable hooks... More Details
A universal, threaded sewer fitting with a standard bayonet end. Makes 6 different types of sewer connections with a gas tight fit. The standard bayonet fitting can be used to easily mix and match sew... More Details
Universal threaded sewer fitting w/standard bayonet end 6 different types of sewer connections with a gas tight fitQuick twist attachmentThreads are 3", 3-1/2", and 4"... More Details
Jet stream multi-directional spray removes and flushes away tank deposit when installed permanently to black or gray water tank Uses garden hose water pressureComplete system that includes tank spraye... More Details
Conforms with all laws nationwide for drinking water fixtures All water inlets include a check valve, Installation screws, putty tape, PTFE tape, garden hose swivel fitting with gripper and press-in d... More Details
Conforms with all laws nationwide for drinking water fixtures All water inlets include a check valve, Installation screws, putty tape, PTFE tape, garden hose swivel fitting with gripper and press-in d... More Details
Conforms with all laws nationwide for drinking water fixtures All water inlets include a check valve, Installation screws, putty tape, PTFE tape, garden hose swivel fitting with gripper and press-in d... More Details
Conforms with all laws nationwide for drinking water fixtures All water inlets include a check valve, Installation screws, putty tape, PTFE tape, garden hose swivel fitting with gripper and press-in d... More Details
Conforms with all laws nationwide for drinking water fixtures All water inlets include a check valve, garden hose swivel fitting with gripper and press-in dust plug1/2" inside connection2-3/4" flange... More Details
Conforms with all laws nationwide for drinking water fixtures All water inlets include a check valve, Installation screws, putty tape, PTFE tape, garden hose swivel fitting with gripper and press-in d... More Details
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Valterra Gas Mantles, 2/Pk - A100003 - 800-A100003F1

Valterra, Miscellaneous
$10.39
Beret Soft Mantles, 2 per pack... More Details
1/2" MPT / 1-1/4" barb connections; 1/2" air vent Installation tape and hardware includedCutout: 5-7/8" W x 4-3/4" HOD: 7-5/8" W x 6-1/2" H... More Details
1/2" MPT / 1-1/4" barb connections; 1/2" air vent Installation tape and hardware includedOD: 7-1/2" W x 5-1/4" H... More Details
1/2" MPT / 1-1/4" barb connections; 1/2" air vent Installation tape and hardware includedOD: 7-1/2" W x 5-1/4" H... More Details
1/2" MPT / 1-1/4" barb connections; 1/2" air vent Installation tape and hardware includedCutout: 5-7/8" W x 4-3/4" HOD: 7-5/8" W x 6-1/2" H... More Details
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.