Tecline R4 TEC First Stage – Compact Regulator for Cold Water Diving (EN250A Certified)

The Tecline R4 TEC is a compact and highly efficient first stage regulator, engineered for cold water diving and decompression stage use. Its small size, combined with top-tier performance, makes it the perfect choice for both beginner and advanced divers seeking reliability in harsh conditions.

This balanced diaphragm first stage includes a dry chamber and cold water kit, providing excellent freeze-resistance. It offers exceptional breathing performance, exceeding the latest EN250A standards, and ensures smooth, stable airflow even at greater depths and in extreme temperatures.

Key Features:

• Type: Balanced diaphragm

• Cold Water Use: Dry chamber + additional cold kit

• Material: Maritime bronze

• Ports: 2x HP, 4x LP

• Max Working Pressure: 300 bar

• Certification: EN250A – exceeds current EU standards

Recommended Use:

• Stage Tank: Perfect

• Single Tank: Good

• Double Tanks: Very Good

• Sidemount: Not Recommended