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Marshall Excelsior Co. MER425HSS-15P2 High Capacity QCC Stainless Steel Braided Hose 15" 2-Pack

Manufacturer

Marshall Excelsior Co.

<h3>About Marshall Excelsior Company (MEC)</h3><p><strong>Marshall Excelsior Company (MEC)</strong> has been a cornerstone of the LPG and anhydrous ammonia (NH3) equipment industry since its founding in 1976 in Marshall, Michigan. What began as a manufacturer of brass fittings and copper pigtails has grown, over the course of five decades, into one of the most recognized names in precision gas flow control. Today, MEC engineers and manufactures equipment that supports bulk plant operations, transport, delivery and dispensing, and domestic and recreational applications worldwide.</p><p>MEC's reputation rests on a commitment to safety, low-emission design, and relentless innovation. The company operates under a rigorous ISO 9001 quality management system and has filed dozens of patents over its history. Its well-known product lines — including the <strong>Excela-Flo</strong> regulators, <strong>Excela-Wynd</strong> hose reels, <strong>Excela-Flange</strong> valve technology, and <strong>Turbo-Flo</strong> low-emission equipment — are trusted by contractors, utilities, OEM partners, and end users around the globe. In 2024, MEC was acquired by Dover Corporation, joining its OPW Global operating unit within Dover's Clean Energy &amp; Fueling segment, further cementing MEC's position as a world-class flow control solutions provider.</p><h3>Core Product Categories</h3><p>MEC's catalog spans a wide range of gas handling and control components. Their Gas Cylinder Pressure Regulators are among the most recognized products in the lineup — covering single-stage, two-stage, twin-stage, and high-capacity designs for residential, commercial, industrial, and recreational uses. Whether you need precise outlet pressure for a home appliance or a high-demand commercial heating system, MEC's MEGR-series regulators deliver proven, reliable performance.</p><p>For system builders and installers, MEC's <a href="/200539-hoses-marshall-excelsior-co-7451">Hoses</a> — including thermoplastic LP gas hoses, stainless steel braided high-capacity hoses, and pigtail assemblies — provide the flexible, durable connections that complete a safe gas system. These hoses are engineered to handle the demands of propane cylinder connections, grill hookups, RV systems, and more, with many models carrying UL and CGA approvals.</p><p>MEC also manufactures a broad range of <a href="/7451-marshall-excelsior-co-hvac-heater-control-valve-6860">Heater Control Valves</a> designed for LP gas and natural gas heating applications. These flow control valves are key components in residential and commercial heating systems, ensuring precise gas delivery and safe operation across a variety of heating equipment configurations.</p><p>Rounding out the system, MEC's Adapters and brass fitting components are the practical connectors that tie gas systems together. From standard NPT adapters to specialized excess-flow fittings, these components reflect MEC's roots as a precision brass fittings manufacturer and its ongoing commitment to system-wide compatibility and safety.</p><h3>Why Choose Marshall Excelsior?</h3><ul style="list-style:disc"><li><strong>Decades of engineering expertise</strong> in LPG and NH3 gas handling equipment</li><li><strong>ISO 9001-certified manufacturing</strong> with rigorous quality standards on every product</li><li><strong>Industry-recognized product lines</strong> such as Excela-Flo, Turbo-Flo, and Excela-Flange</li><li><strong>UL and CGA approvals</strong> on many hose and regulator products</li><li><strong>Global sales network</strong> with regional customization options for diverse market needs</li><li><strong>Backed by Dover Corporation</strong> and OPW Global, a leader in clean energy and fueling solutions</li></ul>

Part Number

MER425HSS-15P2
09/12/2036 1:18 PM
Sale Price

$84.90

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Marshall Excelsior Co. MER425HSS-15P2 is a high-capacity propane hose assembly designed for demanding RV and outdoor applications. This 2-pack features durable stainless steel braided construction for superior strength and protection against abrasion, weather, and wear.

Key Features:

  • High-capacity 400,000 BTU/hour flow rating for multiple appliances or high-demand equipment
  • 15-inch length provides flexible connections between LP tanks and regulators
  • Stainless steel braided outer layer protects against punctures and environmental damage
  • Type 1 QCC (Quick Closing Coupling) connection with red hand-wheel nut for tool-free installation
  • Officially approved for RV applications and meets DOT requirements
  • Includes two hoses for dual-cylinder setups or replacement convenience

This hose assembly is ideal for RV propane systems, portable grills, and other LP gas applications requiring reliable, high-flow connections. The QCC fitting provides a secure, leak-resistant connection to standard propane cylinders.

The purchase is good but I need the tire to arrive to give them a better opinion

Fast and cheap

I received the part number from bayliner to order but it is 2 feet too long , how do I exchange it

nice

Fast shipping

Excellent service

If it does ship as fast as you indicated, I will be back for all future RV parts purchases.

Great price, fast shipping, and parts as advertised

Excellent experience

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