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Premium Marine Quality Parts

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Mec Me1654P Soft Nose Handwheel Pol, Packaged - Me1654P - 277-Me1654Pf1

Marshall Excelsior Co., Miscellaneous
$30.99

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

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Mec Me2132 Replacement Inlet Fitting - Me2132 - 277-Me2132F1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$3.59

1/4" female inverted flare x 1/4" MNPT

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Mec Me2132P Replacement Inlet Fitting, 2/Pk - Me2132P - 277-Me2132Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$9.69

1/4" female inverted flare x 1/4" MNPT

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Mec Me22Yp Quick Disconnect Adapter - Me22Yp - 277-Me22Ypf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$134.29

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 male end of the adapter into the standard female quick-connect port found on most RV's.

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Mec Me23Yp Quick Disconnect Adapter - Me23Yp - 277-Me23Ypf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$141.99

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 male end of the adapter into the standard female quick-connect port found on most RV's.

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Mec Me318P Pol Assembly - Me318P - 277-Me318Pf1

Marshall Excelsior Co., Miscellaneous
$19.49

1/4" MNPT x Full Flow POL, with 7/8" Hex Nut.

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Mec Me35Ql Excela-Flo Grill Conversion Kits, 12' For Use With: Weber® Q Portable Grill Models: 100, 120, 1000, 1200, 200, 220, 2000, 2200 - Me35Ql - 277-Me35Qlf1

Marshall Excelsior Co., Rails, Ladders & Seating
$98.09

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 detector.

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Mec Me36Qp Excela-Flo Grill Conversion Kits, 10' For Use With: Weber® Q Portable Grill Models: 100, 120, 1000, 1200, 200, 220, 2000, 2200 - Me36Qp - 277-Me36Qpf1

Marshall Excelsior Co., Rails, Ladders & Seating
$130.39

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 detector.

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

Marshall Excelsior Co., Hoses, Clamps & Fittings
$108.99

POL x Female POL x 1"-20 male with valve and "O" ring seal. Install between tank valve and existing regulator or pigtail. Carded.

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

Marshall Excelsior Co., Hoses, Clamps & Fittings
$144.89

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 approved for use on RVs. Carded.

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Mec Me499P Blackstone Brass Propane Hose Adapter - Me499P - 277-Me499Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$41.27

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" Male NPT x Male Quick-Connect. 200,000 BTU/Hour or 70,000 BTU/Hour.

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Mec Me58Qt Quick Disconnect Assembly, 9" - Me58Qt - 277-Me58Qtf1

Marshall Excelsior Co., Miscellaneous
$33.89

3/8" FFS and QD Male Nipple connections.

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Mec Me65Cl Excela-Flo Grill Conversion Kits, 12' For Use With: Coleman® Roadtrip® Grill Models: Lx, Lxx, And Lxe - Me65Cl - 277-Me65Clf1

Marshall Excelsior Co., Miscellaneous
$109.79

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 detector.

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Mec Me66Cp Excela-Flo Grill Conversion Kits, 10' For Use With: Coleman® Roadtrip® Grill Models: Lx, Lxx, And Lxe - Me66Cp - 277-Me66Cpf1

Marshall Excelsior Co., Miscellaneous
$161.69

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 detector.

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Mec Megmc402 Full Flow Quick Disconnect Brass Male Plug - Me-Gmc4-02 - 277-Megmc402F1

Marshall Excelsior Co., Miscellaneous
$13.31

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.

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Mec Megr15224P Excela-Flo Grill Kit W/Regulator, 24" - Megr-152-24P - 277-Megr15224Pf1

Marshall Excelsior Co., Batteries & Charging
$88.49

Standard replacement fit hose and regulator for BBQ grills.

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Mec Megr253 Excela-Flo Automatic Changeover Regulators, Standard Capacity, Bulk - Megr-253 - 277-Megr253F1

Marshall Excelsior Co., Batteries & Charging
$125.69

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements.

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Mec Megr253H Excela-Flo Automatic Changeover Regulators, High Capacity, Bulk - Megr-253H - 277-Megr253Hf1

Marshall Excelsior Co., Batteries & Charging
$131.59

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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Mec Megr253Hp Excela-Flo Automatic Changeover Regulators, High Capacity, Packaged - Megr-253Hp - 277-Megr253Hpf1

Marshall Excelsior Co., Batteries & Charging
$134.99

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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Mec Megr253Hppt15 Excela-Flo Automatic Changeover Regulators, High Capacity W/15" Hose, Packaged - Megr-253Hp-Pt15 - 277-Megr253Hppt15F1

Marshall Excelsior Co., Batteries & Charging
$217.79

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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Mec Megr253Hppt24 Excela-Flo Automatic Changeover Regulators, High Capacity W/24" Hose, Packaged - Megr-253Hp-Pt24 - 277-Megr253Hppt24F1

Marshall Excelsior Co., Batteries & Charging
$222.09

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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Mec Megr253Lp Excela-Flo Automatic Changeover Regulators, Low Capacity, Packaged - Megr-253Lp - 277-Megr253Lpf1

Marshall Excelsior Co., Miscellaneous
$124.19

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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Mec Megr253P Excela-Flo Automatic Changeover Regulators, Standard Capacity, Packaged - Megr-253P - 277-Megr253Pf1

Marshall Excelsior Co., Batteries & Charging
$125.49

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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Mec Megr253Ppt15 Marshall Excelsior Megr253Ppt15 Excela-Flo Automatic Standard Capacity Changeover Regulator W/15' Hose - Megr-253P-Pt15 - 277-Megr253Ppt15F1

Marshall Excelsior Co., Batteries & Charging
$218.09

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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Mec Megr253Ppt18 Marshall Excelsior Megr253Ppt15 Excela-Flo Automatic Standard Capacity Changeover Regulator W/Two 18' Hoses, Packaged - Megr-253P-Pt18 - 277-Megr253Ppt18F1

Marshall Excelsior Co., Batteries & Charging
$228.89

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 indicator which changes to red when the service cylinder needs to be refilled. Meets UL, RVIA and NFPA requirements. Type: Two StageMax Inlet Pressure: 250 PSIInlet Connection: 1/4" Female Inverted FlareOutlet Connection: 3/8" FNPTExterior Finish: Raw Zinc / Powder CoatDiaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body SealDiaphragm Type: Internal Relief - Spring LoadedBonnet/ Body Material: Die Cast ZincListings: UL LISTED / UL 144Mounting Holes: 3-1/2" On CenterPressure Taps: 1/8" FNPT Plugged

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.