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.
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Premium Marine Quality Parts

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Mec 1/4" I.D. Propane Hose, 425 Series, 24", Bulk - Mer425-24 - 277-Mer42524F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$44.69

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

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Mec 1/4" I.D. Propane Hose, 425 Series, 30" - Mer425-30 - 277-Mer42530F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$42.59

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

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Mec 1/4" I.D. Propane Hose, 425 Series, 30" - Mer425-30P - 277-Mer42530Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$48.89

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

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Mec 1/4" I.D. Propane Hose, 425 Series, 36" - Mer425-36 - 277-Mer42536F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$45.59

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

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Mec 1/4" I.D. Propane Hose, 425 Series, 36" - Mer425-36P - 277-Mer42536Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$50.99

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

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Mec 1/4" I.D. Propane Hose, 425 Series, 48" - Mer425-48 - 277-Mer42548F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$49.29

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

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Mec 1/4" I.D. Propane Hose, 425 Series, 48" - Mer425-48P - 277-Mer42548Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$53.89

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

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Mec 1/4" I.D. Propane Hose, 425 Series, 60" - Mer425-60 - 277-Mer42560F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$58.79

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

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Mec 1/4" I.D. Propane Hose, 426 Series, 15" - Mer426-15 - 277-Mer42615F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$40.39

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

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Mec 1/4" I.D. Propane Hose, 426 Series, 15" - Mer426-15P - 277-Mer42615Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$44.49

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

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Mec 1/4" I.D. Propane Hose, 426 Series, 20" - Mer426-20 - 277-Mer42620F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$39.99

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

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Mec 1/4" I.D. Propane Hose, 426 Series, 20" - Mer426-20P - 277-Mer42620Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$54.59

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

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Mec 3/8" I.D. 610 Series Propane Hose, 36" - Mer610-36 - 277-Mer61036F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$39.99

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.

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Mec 3/8" I.D. 610 Series Propane Hose, 48" - Mer610-48 - 277-Mer61048F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$63.19

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.

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Mec 3/8" I.D. 610 Series Propane Hose, 48" - Mer610-48P - 277-Mer61048Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$65.39

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.

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Mec 3/8" I.D. 611 Series Propane Hose, 36" - Mer611-36 - 277-Mer61136F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$35.89

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.

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Mec 3/8" I.D. 611 Series Propane Hose, 36" - Mer611-36P - 277-Mer61136Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$42.99

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.

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Mec 3/8" I.D. 611 Series Propane Hose, 48" - Mer611-48 - 277-Mer61148F1

Marshall Excelsior Co., Fittings, Hoses & Valves
$42.79

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.

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Mec 3/8" I.D. 611 Series Propane Hose, 48" - Mer611-48P - 277-Mer61148Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$48.09

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.

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Mec 3/8" I.D. 613 Series Propane Hose, 36" - Mer613-36P - 277-Mer61336Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$40.19

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.

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Mec 3/8" I.D. 613 Series Propane Hose, 48" - Mer613-48P - 277-Mer61348Pf1

Marshall Excelsior Co., Fittings, Hoses & Valves
$44.59

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.

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Mec Dual Tank Kit For 20 Lb. Tanks. White. - Me-Rv-Tank-Kit18 - 277-Mervtankkit18F1

Marshall Excelsior Co., Tanks & Tank Parts
$86.19

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 all RVAA and RVIA requirements.

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Mec Dual Tank Kit For 30 Lb. Tanks. White. - Me-Rv-Tank-Kit24 - 277-Mervtankkit24F1

Marshall Excelsior Co., Tanks & Tank Parts
$83.39

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 all RVAA and RVIA requirements.

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Mec High Flow Thermoplastic Hose, 15" - Mer426H-15P - 277-Mer426H15Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$47.39

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 200,000 BTU's. Designed with both excess flow and thermal link safety features. Connections: Female QCC, Type I Connection and 1/4" MNPT. 400,000 BTU capacityExcess flow safety shut-offRVIA and NFPA 1192 CompliantBrass ferrules1/4" ID High pressure thermoplastic hose100% Leak tested350 PSIG working pressure

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Mec High Flow Thermoplastic Hose, 20" - Mer426H-20P - 277-Mer426H20Pf1

Marshall Excelsior Co., Hoses, Clamps & Fittings
$44.99

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 200,000 BTU's. Designed with both excess flow and thermal link safety features. Connections: Female QCC, Type I Connection and 1/4" MNPT. 400,000 BTU capacityExcess flow safety shut-offRVIA and NFPA 1192 CompliantBrass ferrules1/4" ID High pressure thermoplastic hose100% Leak tested350 PSIG working pressure

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.