First Stage R4 TEC WW - EN250A

Ultra-lightweight (590g) balanced diaphragm wet-chamber regulator, ideal for travel, rebreathers, and stage cylinders in temperate waters.

The Tecline R4 TEC WW (Warm Water) First Stage, available on DIR-STORE, is the ultra-light and compact version of the R4 series, specifically engineered for diving in waters with temperatures above 10°C. Thanks to its wet-chamber design, it eliminates unnecessary weight, making it the ideal regulator for divers who travel or for use as a high-performance power source on both recreational systems with an octopus, and on rebreathers and stage cylinders.

Key Features and Benefits:

• Balanced Diaphragm Main Valve: Guarantees extraordinary breathing performance and a constant, light airflow at any depth, regardless of the residual tank pressure.
• Highly Reliable Wet Chamber: The absence of an external environmental membrane eliminates the risk of "imbalance" or delivery anomalies at maximum depths, offering a direct and constant mechanical response.
• Record-Breaking Lightness for Travel (Only 590g): Weighing just 590 grams, it is one of the lightest technical first stages on the market. It drastically reduces luggage weight for air travel and lightens the overall load of the configuration.
• Chromed Marine Bronze Body: Machined from the highest quality materials to ensure shock-proof structural strength and total resistance to wear and salt corrosion over time.
• Standard Usable Ports: Equipped with 4 low-pressure (LP) ports and 2 high-pressure (HP) ports arranged rationally for optimal visual and hydrodynamic hose cleanliness.

Why buy the R4 TEC WW first stage?

• Especially ideal for Octopus configurations: The excellent flow rate of the balanced valve and the symmetrical arrangement of the 4 LP ports make it perfect for managing both the primary second stage and the emergency octopus on a single cylinder smoothly, linearly, and effortlessly.
• Unbeatable for Rebreathers and Stage: Its minimal dimensions and feather-light weight make it the ideal choice for powering oxygen or diluent systems in rebreathers, as well as for setting up light stage cylinders.
• Travel-Friendly Solution: If you primarily dive in warm or temperate waters and are looking for a high-performance regulator that doesn't add to your dive bag's weight, the WW version is your ideal choice.
• Available in Dedicated O2 Version: For technical divers and for decompression use, the special R4 TEC O2 WW version is available with an M26x2 or 25x2 thread connection, degreased and factory assembled for safe use with 100% pure Oxygen.

Technical Details and Configuration Compatibility:

• Brand: Tecline
• Model: R4 TEC WW (Warm Water)
• Mechanism: Balanced diaphragm wet chamber
• Usage limits: Waters with temperatures > 10°C
• Body material: Chromed marine bronze
• Available ports: 2 HP / 4 LP
• Weight: 590 g
• Maximum operating pressure: 300 bar
• Octopus / Single Cylinder Configuration: Perfect
• Rebreather Configuration: Perfect
• Stage / Stage Cylinder Configuration: Excellent
• Twinset (Double Cylinder) Configuration: Excellent
• Sidemount Configuration: Not recommended

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