A heavy-duty, flexible LP gas hose built specifically for RV liquid propane applications. The MER613-36 delivers reliable, leak-resistant connections between your RV regulator, appliances, or auxiliary tanks -- rated to 350 PSI working pressure and backed by a limited 5-year manufacturer warranty.
The Marshall Excelsior MER613-36 is a 36-inch propane supply hose designed for use in RV liquid propane gas systems. With 3/8" female flare swivel fittings on both ends, this hose makes it straightforward to connect regulators, valves, or appliances without the need for additional adapters in standard 3/8" flare applications.
Marshall Excelsior has manufactured LP gas components in the USA for decades. This hose reflects that heritage -- UL-listed and CGA-approved, with fully crimped brass ferrules at both ends for a secure, durable connection that resists pull-out and vibration loosening common on the road.
Rated for up to 350 PSI working pressure, well above the typical low-pressure demands of RV propane systems, providing a strong safety margin.
Both ends feature precision-crimped brass ferrules that lock the fitting to the hose body, resisting pull-out forces up to 400 lbs.
Meets UL and CGA certification standards for LP gas hose assemblies, ensuring compliance with RV and propane industry safety requirements.
Built-in thermal protection on the hose body helps guard against heat exposure in engine bays, utility compartments, and outdoor installations.
The hose body is constructed from a flexible thermoplastic compound approved for LP gas service. Unlike rubber hoses that can crack and harden over time, this thermoplastic construction maintains flexibility across a wide temperature range -- an important characteristic for RVs that travel between climates or sit in storage during winter months.
The 3/8" inside diameter provides adequate flow for typical RV LP gas appliances including furnaces, water heaters, ranges, and refrigerators running on propane.
This hose is well-suited for a range of RV and outdoor propane connections, including: