AP MER425H18 High Capacity RV Propane Pigtail Hose - 18

The AP MER425H18 is an 18-inch high capacity propane pigtail hose designed specifically for RV, trailer, and motorhome applications. This professional-grade propane hose connects your LP gas cylinder to the propane regulator without requiring a wrench, featuring a convenient hand-tightened Type I ACME connection.

Key Features:

• 400,000 BTU capacity - specifically designed for high-demand applications including motorhomes, trailers, and on-demand hot water heaters
• 1/4 inch inside diameter high flow design for maximum propane delivery
• Female QCC Type I (ACME) connection to 1/4 inch male inverted flare
• Integrated thermal protection - heat-sensitive fitting closes cylinder valve between 240°F and 300°F in case of fire
• Excess flow protection - built-in flow-limiting device shuts down flow to maximum 10 SCFH if excessive gas flow is detected
• 18 inch length provides flexible positioning between cylinder and regulator
• RVIA and NFPA 1192 compliant for RV applications
• UL/CGA approved for safety and reliability

Marshall Excelsior MER425H series pigtails are required equipment for RV propane systems and meet the highest industry standards. The easy-to-tighten nylon nut swivels on the connector fitting for quick, tool-free installation. This high flow pigtail is engineered with both excess flow and thermal link safety features to protect against propane leaks and fire hazards.