[1/4” Male Inverted Flare] 15" RV Propane Pigtail Hose - Connects QCC1 - Propane Tank Connector for BBQ RV Camper 2-Stage Regulator - 2 Pack with Seal Tape

15" Stainless Steel Braided RV Propane Pigtail Hose (1/4" Male Inverted Flare) - Pack of 2

Key Features

• Reinforced Stainless Steel Braiding: Features a rugged stainless steel outer wrap that protects the internal high-pressure hose from UV degradation, road debris abrasion, and rodent damage, significantly extending the hose's lifespan.
• QCC1 Type-1 Tank Connector: Equipped with a standard QCC1 (ACME) nut that includes a built-in thermal shut-off and excess flow check for maximum safety during propane transport and appliance operation.
• Precision 1/4" Male Inverted Flare: Specifically designed to connect seamlessly to the 1/4-inch inverted flare inlets found on most modern RV auto-changeover two-stage regulators, ensuring a metal-on-metal, high-pressure seal.
• High-BTU Capacity Rating: Rated for up to 200,000 BTUs per hour, providing a consistent and powerful gas flow to high-demand RV appliances like furnaces, water heaters, and multi-burner ranges.

Replaces / Cross-Reference Part Numbers

• Industry Standards: 1/4" Inverted Flare Pigtail, RV Propane Hose 15-Inch.
• Manufacturer Equivalents: Camco 59055, Marshall Excelsior MER425-15, Fairview 15" Pigtail.

Compatibility & Fitment

This pigtail hose is the standard connection for dual-tank propane systems found on towable RVs and campers. Key compatible setups include:

• RV Regulators: Fits most two-stage auto-changeover regulators (e.g., Marshall, Cavagna, Fairview) that utilize 1/4" Inverted Flare inlets.
• Propane Tanks: Connects directly to standard US 20 lb, 30 lb, and 40 lb refillable propane cylinders (QCC1/Type 1 valves).
• Vehicle Types: Ideal for Travel Trailers, Fifth Wheels, Truck Campers, and Pop-up Trailers with dual-tank configurations.
• Note: CRITICAL: This hose features an Inverted Flare (threads are on the outside of the nut, but the seal is at the internal cone). It is NOT compatible with 1/4" NPT (pipe thread) regulator inlets without an adapter.

When to Replace

• Smell of Propane: If you detect a "rotten egg" scent near the tank or regulator, use a leak detector solution immediately. A leaking hose is a high-priority safety hazard.
• Damaged Braiding: If the stainless steel mesh is frayed, kinked, or broken, the internal rubber hose is no longer protected and may burst under high pressure.
• Leaking at the Tank Nut: If gas is hissing from the large green QCC1 nut even when tightened, the internal O-ring or the thermal safety check has failed.
• Age (5-Year Rule): Propane hoses are exposed to extreme weather and vibration. For safety, it is highly recommended to replace RV pigtails every 5 years regardless of visual condition.
• Stiff or Brittle Ends: If the rubber visible at the fittings has become hard or shows "dry rot" cracks, the hose's structural integrity is compromised.

Installation Tips

• Safety First: CRITICAL: Ensure both propane tank valves are fully closed before removing the old pigtails. Work in a well-ventilated outdoor area away from any open flames or sparks.
• Thread Preparation: PRO TIP: While inverted flares are mechanical seals, you should apply the included gas-rated seal tape to the male threads of the flare fitting to ensure a perfect, lubricated seal. Never use tape on the large QCC1 hand-tighten nut.
• Hand vs. Wrench: Tighten the large green QCC1 nut by hand until snug. Use a backup wrench on the regulator while tightening the 1/4" flare nut with a second wrench to prevent twisting or damaging the regulator body.
• Purge the Air: After installation, turn the tank valves on slowly. Open a stove burner inside the RV for 15–30 seconds to bleed the air out of the lines before attempting to light the furnace or water heater.
• The Soap Bubble Test: Always spray a mixture of dish soap and water on all connections after installation. If bubbles grow, the connection is leaking and must be re-tightened or re-sealed.