Description
[1/4″ Inverted Male Flare] PO2 12″ inch Pigtail Propane Hose Connector, Connects QCC1 with Acme Nut – for 2-Stage Auto Changeover Regulator, Connects Propane Cylinder to RV Van Trailer Tank
Key Features
- Length: 12 inches
- Hose Material: Flexible thermoplastic
- Fittings Material: Solid brass for durability and corrosion resistance
- Tank Connection: QCC1 (Type 1) with large plastic Acme nut for hand-tightening
- Regulator Connection: 1/4″ Inverted Male Flare
- Pressure Rating: 350 PSI maximum working pressure
- Safety Feature: Integrated excess flow safety device
Replaces / Cross-Reference Part Numbers
- Model: PO2
- Replaces other 12-inch pigtail hoses with a QCC1 tank connection and a 1/4-inch inverted male flare regulator fitting.
Compatibility & Fitment
- Designed for use with two-stage automatic changeover LP regulators on RVs, campers, and travel trailers.
- Connects standard 5 lb to 40 lb propane cylinders with QCC1/Type 1 valves to a regulator’s 1/4″ female inverted flare inlet.
- Not for use in high-pressure applications upstream of a regulator.
When to Replace
- Visible signs of wear, such as cracks, abrasions, cuts, or brittleness in the hose material.
- After any propane leak is detected at the hose or its fittings.
- If fittings are corroded, damaged, or will not seal properly.
- As part of routine maintenance, typically every 5 to 7 years, depending on use and exposure to elements.
Installation Tips
- Ensure the propane cylinder valve is fully closed before installation or removal.
- Hand-tighten the green or black Acme nut onto the propane cylinder valve. Do not use tools.
- Use a wrench to secure the 1/4″ inverted flare fitting to the regulator inlet port. Use a second wrench to hold the regulator fitting to prevent damage.
- After installation is complete, slowly open the cylinder valve and check all connections for leaks using a soap and water solution.
- Position the hose to prevent sharp bends, kinks, and contact with hot surfaces or sharp edges.






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