Tecline Regulator R2 TEC2 SemiTec I Set with SPG – EN250A Monoset
The Tecline R2 TEC2 SemiTec I regulator set is a robust, reliable and well-balanced solution designed for divers operating at the boundary between advanced recreational and entry-level technical diving. Certified according to EN250A, the system is approved for supplying two second stages from a single first stage, including use in cold water conditions.
This regulator set reflects Tecline’s technical philosophy, offering stable breathing performance, high durability and clean hose routing in a mono cylinder configuration.
First Stage – R2
The R2 first stage features a balanced diaphragm design that delivers consistent intermediate pressure regardless of tank pressure changes. Its fully environmentally sealed construction provides excellent protection against cold water, silt and contaminants.
The port layout supports tidy and functional hose routing, ideal for both standard recreational and technical-style mono configurations.
First stage technical features:
- Type: Balanced diaphragm first stage
- Environmentally sealed (cold water ready)
- Body material: Marine-grade brass
- LP ports: 4 (Optional 5th port)
- HP ports: 2
- Maximum working pressure: 300 bar
- Intermediate pressure: approx. 8.5 bar
- High airflow capacity under load
- Weight (first stage): approx. 730 g
- Certification: EN250A (CE-1463)
Second Stage – TEC2
The TEC2 second stage is pneumatically balanced, providing smooth and effortless breathing at all depths. The metal front cover enhances heat exchange, significantly reducing the risk of icing during cold water dives.
Breathing resistance is finely tuned, offering a natural and dry breathing experience even under higher workloads. Its durable construction makes it suitable for intensive use, including training and demanding dive profiles.
Second stage technical features:
- Type: Pneumatically balanced second stage
- Housing material: High-strength, impact-resistant polymer
- Metal front cover for improved thermal performance
- Consistent breathing performance at depth
- Nitrox compatible up to EAN40 (40% O₂)
- Weight (second stage): approx. 210 g
SPG and Hoses
The set includes a classic analog submersible pressure gauge (SPG) with a durable, impact-resistant housing and clear readability. The hose configuration is optimized for mono cylinder use and supplied with stainless steel carabiners for secure attachment and streamlined equipment management.
Technical Specifications – Summary
- Standard: EN250A
- First stage: Balanced diaphragm, environmentally sealed
- Second stage: Pneumatically balanced
- Connection: DIN G5/8 (300 bar)
- Recommended configuration: Single cylinder (mono)
- Water temperature range: Cold and warm water
- Gas compatibility: Air and Nitrox up to EAN40
Recommended Use
- Cold water diving (quarries, lakes, mines)
- Advanced recreational diving
- Entry-level technical training in mono configuration
- Deeper recreational dives requiring stable breathing performance
Who Is It For?
- Advanced recreational divers seeking a reliable, cold-water-capable regulator
- Divers planning to progress toward technical diving while remaining in a mono setup
- Instructors and frequent divers requiring durability and consistency
- Divers who value clean hose routing and long-term reliability
The set consists of:
- I stage R2 TEC
- 2x II stage TEC2
- SPG 52mm
- LP 1,93m Proflex black*
- LP 0,61m Proflex black*
- HP 0,60m Proflex black*
- 2x bolt snap 88mm
- Tecline bag (oval)
The Tecline R2 TEC2 SemiTec I with SPG is a future-proof regulator set that combines technical-grade reliability with everyday usability, making it an excellent long-term investment for serious divers.
* choose your color, length and type of hoses in your set!
The sets available from stock are supplied with either a 1.93 m or 2.10 m hose.
For custom hose lengths, the estimated delivery time is 6–12 days, provided that the selected colors and hose types are available from the manufacturer.
