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Original & OEM Quality Parts

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The High Flow Series Hoses are specifically designed to meet the high demands of today's motorhomes, trailers and on demand water heaters. High Flow Type I 400,000 BTU (red nut) pigtails are designed ... More Details

400,000 BTU'sExcess flow safety shut-offRVIA and NFPA 1192 CompliantBrass ferrules1/4" ID High pressure thermoplastic hose100% Leak tested350 PSIG working pressureInclude a Female QCC, Type 1 Connecti... More Details


Type I (QCC) connectors have a built-in excess flow feature and a positive shutoff that will not allow gas to flow until the connector is fully engaged. In case of a fire the built-in thermal protecti... More Details

MER401 series hoses include 9 GPM Excess Flow Male POL, 7/8" Nut and 1/4" Male Inverted Flare fittings.... More Details

MER401 series hoses include 9 GPM Excess Flow Male POL, 7/8" Nut and 1/4" Male Inverted Flare fittings.... More Details

MER401 series hoses include 9 GPM Excess Flow Male POL, 7/8" Nut and 1/4" Male Inverted Flare fittings.... More Details

MER401 series hoses include 9 GPM Excess Flow Male POL, 7/8" Nut and 1/4" Male Inverted Flare fittings.... More Details

MER401 series hoses include 9 GPM Excess Flow Male POL, 7/8" Nut and 1/4" Male Inverted Flare fittings.... More Details

MER421 series hoses include a 1"-20 Female Swivel and a 1"-20 Male Swivel.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER425 series hoses include a Female QCC, Type 1 Connection and a 1/4" male inverted flare fitting.... More Details

MER426 series hoses include a Female QCC, Type 1 Connection and a 1/4" MNPT male fitting.... More Details

MER426 series hoses include a Female QCC, Type 1 Connection and a 1/4" MNPT male fitting.... More Details

MER426 series hoses include a Female QCC, Type 1 Connection and a 1/4" MNPT male fitting.... More Details

MER426 series hoses include a Female QCC, Type 1 Connection and a 1/4" MNPT male fitting.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Flexible thermoplastic UL and CGA approved hose. These hoses are rated up to 350psig working pressure with a 400 pound pull test rating. Each hose comes with two ends and fully crimped brass ferrules.... More Details

Designed to provide a durable and secure method to properly store / transport small LP gas cylinders primarily on towable recreational vehicles. Kits includes base, rod, tee bar and wing nut. Meets al... More Details

Designed to provide a durable and secure method to properly store / transport small LP gas cylinders primarily on towable recreational vehicles. Kits includes base, rod, tee bar and wing nut. Meets al... More Details

Specifically designed to meet the high demands of today's motorhomes, trailers and on demand water heaters. High Flow Type I (red nut) hoses are designed for those applications that require more than ... More Details

Specifically designed to meet the high demands of today's motorhomes, trailers and on demand water heaters. High Flow Type I (red nut) hoses are designed for those applications that require more than ... More Details

1/4" MNPT. x Full Flow Soft Nose POL with Brass Handwheel.... More Details

1/4" female inverted flare x 1/4" MNPT... More Details

1/4" female inverted flare x 1/4" MNPT... More Details

Allows multiple low-pressure appliances to be easily connected to the quick-connect output fitting on your RV. This 1/4" Quick-Connect is the standard size found on nearly all RV's. Just connect the m... More Details

Allows multiple low-pressure appliances to be easily connected to the quick-connect output fitting on your RV. This 1/4" Quick-Connect is the standard size found on nearly all RV's. Just connect the m... More Details

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Mec Me318P Pol Assembly - Me318P - 277-Me318Pf1

Marshall Excelsior Co.
$18.52
1/4" MNPT x Full Flow POL, with 7/8" Hex Nut.... More Details

These kits are designed for converting propane grills to a quick-connect setup for use on your RV's regulated propane quick-connect supply port. All kits include bushing w/thread sealant and leak dete... More Details

These kits are designed for converting propane grills to a quick-connect setup for use on your RV's regulated propane quick-connect supply port. All kits include bushing w/thread sealant and leak dete... More Details

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Mec Me415P Extend-A-Flow Tee - Me415P - 277-Me415Pf1

Marshall Excelsior Co.
$103.54
POL x Female POL x 1"-20 male with valve and "O" ring seal. Install between tank valve and existing regulator or pigtail. Carded.... More Details

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Mec Me420P Extend-A-Stay-Tee - Me420P - 277-Me420Pf1

Marshall Excelsior Co.
$137.65
Allows RV-owners to safely hook up their propane system to an outside propane vapor cylinder. Includes complete installation and operating instructions. Additional hoses are required. Listed and appro... More Details

Brass propane hose connector fits 17" and 22" tabletop grills. Allows you to adapt to a full size LP tank vs the small disposable tanks. 1/4" Female NPT x Female Quick Connect; Full Flow Plug: 1/4" Ma... More Details

3/8" FFS and QD Male Nipple connections.... More Details

These kits are designed for converting propane grills to a quick-connect setup for use on your RV's regulated propane quick-connect supply port. All kits include bushing w/thread sealant and leak dete... More Details

These kits are designed for converting propane grills to a quick-connect setup for use on your RV's regulated propane quick-connect supply port. All kits include bushing w/thread sealant and leak dete... More Details

1/4" x 1/4" MNPT Adapter. Designed to provide convenient quick connect and disconnect for low pressure gas appliances with 100% positive gas shut off at female coupler end of the connection.... More Details

Standard replacement fit hose and regulator for BBQ grills.... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

The Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green in... More Details

Designed to check for gas leaks by verifying the line pressure of an appliance. Each kit includes a case, gauge, and rubber hose with a rubber boot connection.... More Details

Red Type 1 Nut. 400,000 BTU/H. Approved for RV applications... More Details

Red Type 1 Nut. 400,000 BTU/H. Approved for RV applications.... More Details

The Flow-Longer Propane Kits are designed to connect small, portable appliances, normally fueled by disposable LP-Gas cylinders, to the existing LP-Gas fuel supply of a recreational vehicle, cottage, ... More Details

The Stay-Longer Propane Kits are designed to give you new flexibility on how you use your LP-Gas. You can stay longer by hooking up auxiliary LP-Gas cylinders, or you can tap into the RV's LP-Gas syst... More Details

The Stay-Longer Propane Kits are designed to give you new flexibility on how you use your LP-Gas. You can stay longer by hooking up auxiliary LP-Gas cylinders, or you can tap into the RV's LP-Gas syst... More Details

RV Bulkhead 3/8" Male Flare x 3/8" Male Flare... More Details

For high pressure appliances. The 407 adaptor hoses have a safe, convenient, "user-friendly" design that makes it ideal for hooking up portable, high pressure propane appliances such as camp stoves, l... More Details

For high pressure appliances. The 407 adaptor hoses have a safe, convenient, "user-friendly" design that makes it ideal for hooking up portable, high pressure propane appliances such as camp stoves, l... More Details

For high pressure appliances. The 407 adaptor hoses have a safe, convenient, "user-friendly" design that makes it ideal for hooking up portable, high pressure propane appliances such as camp stoves, l... More Details

High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14 water column). Includes shut-off val... More Details

High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14 water column). Includes shut-off val... More Details

High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Includes shut-off va... More Details

High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Regulator not includ... More Details

High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Regulator not includ... More Details

High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure gas appliances (i.e. 14" water column). Includes shut-off va... More Details





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

About Us

Northern Marine is a Canadian supplier of OEM and premium aftermarket marine and RV parts and accessories. 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.