Description
W21.8 × 1/14″ LH tee connection (G12) – Side & Right Outlets
Maximize the runtime of your gas installation with our W21.8 × 1/14″ LH Tee Fitting . This high-end component is the essential solution for coupling and taking gas from two cylinders simultaneously or alternately .
Designed to ensure absolute safety and optimal flow, it screws directly onto your cylinder’s main valve to create a robust, leak-proof, and completely reliable bypass.
💡 Product highlights
Double automatic picking: Connect two bottles at the same time to double your autonomy or power multiple appliances (barbecue, heater, etc.) without interruption.
High Strength Design: Made of high-quality steel, this fitting offers exceptional durability in the face of high pressures and outdoor conditions.
Intuitive Installation: Mounts quickly and effortlessly to standard G12 threads, reducing the need for complex tools. “For France, used the G8 fitting”
🔧 Technical Specifications
| Specification | Details |
| Fitting | W21.8 × 1/14″ LH – Standard G12 (Female Inlet / Male Outlets) “For France used the G8 fitting” |
| Material | High-quality steel, treated against corrosion and wear |
| Capacity and Load | Suitable for standard and industrial gas cylinders up to 33 kg each |
| Compatibility | Universal with W21.8 pitch regulators × 1/14″ LH regulators, moving heads and regulators |
| Mounting | Direct to bottle thread, sealing by mechanical seal |
🎯 Applications and Uses
This versatile tee fitting perfectly meets the requirements of two profiles:
Motorhomes & Nomads: Ideal for connecting an outdoor gas socket (for barbecue or plancha) while maintaining the main power supply of the leisure vehicle.
Professionals & Craftsmen: A must-have for welding installations, laboratories or construction sites requiring a constant flow rate and a high-capacity uninterruptible gas supply.
🛠️ Installation Tip: Screw the fitting firmly onto your main bottle. When connecting your moving heads or regulators, always follow the manufacturer’s recommendations and test the tightness of your circuit using a spray leak detector.
📦 Recommended Accessories (Sold separately)
To perfect your installation, discover our selection of compatible equipment:
TRUMA pressure regulators & regulators: Optimum performance and safety for motorhomes, campervans and industrial applications.
High-pressure connecting heads: To securely connect your bottles to the tee.
🚚 Logistics and guarantees
Availability: Product in permanent stock in our warehouses.
Express Delivery: Shipping within 24/48 hours with real-time tracking for fast delivery.
Warranty & Support: Buy with peace of mind. Our technical customer service is at your disposal to guide you in the choice and installation of your fittings.






