Aqualung Helix Pro Dive Regulator

Aqualung Helix Pro Dive Regulator

Upgraded Performance and Cold-Water Reliability

The Aqualung Helix Pro builds on the standard Helix platform with enhanced cold-water performance and user-adjustable breathing control. Ideal for divers looking for a reliable and versatile mid-range regulator, the Helix Pro features a balanced diaphragm first stage with environmental sealing and a pneumatically balanced second stage with both Venturi and inhalation resistance adjustments.

The Pro version is EN250A certified for cold-water diving and adds fine-tuned control to help divers adjust breathing effort based on dive conditions and personal preference.

What’s Special About the Helix Pro

• Breathing resistance knob added to standard Helix setup
• Fully cold-water certified and environmentally sealed
• Balanced performance with added adjustability

Key Features

• Balanced diaphragm first stage – delivers consistent airflow regardless of depth
• Auto Closure Device (ACD) – seals automatically when disconnected
• Environmentally sealed – blocks water and silt from internal components
• Pneumatically balanced second stage – for smooth, natural breathing
• Adjustable breathing resistance knob – personalize inhale effort
• Venturi control lever – helps prevent freeflow on the surface
• Comfo-Bite™ mouthpiece – reduces jaw fatigue on long dives
• 2 HP ports and 4 MP ports – enables flexible hose routing
• Suitable for cold water and advanced recreational use

Technical Specifications

• First Stage Type: Balanced diaphragm
• Environmental Seal: Yes
• ACD System: Yes
• Second Stage Type: Pneumatically balanced
• User Controls: Venturi switch + breathing resistance knob
• Mouthpiece: Aqualung Comfo-Bite™
• Ports: 2 High Pressure (HP), 4 Medium Pressure (MP)
• Cold-Water Rated: Yes – EN250A Certified
• Weight: Streamlined mid-weight configuration
• Orientation: Left/right hose routing supported

The Aqualung Helix Pro offers dependable performance with added breathing control and full cold-water readiness. It’s the ideal choice for divers who want the balance of value, function, and comfort—ready for both recreational and more demanding underwater environments.