ScubaPro MK25 EVO 1st Stage Regulator - REG259 DIN
The MK25 EVO is a balanced piston first stage, Scubapro's absolute top performer. It is a superior regulator thanks to its ultra-stable intermediate pressure (IP) resulting in an extremely punctual and constantly high delivery of air. This means instant airflow at any tank pressure and water temperature for a real carefree dive.
Features
- Superior Cold-Water Performance Equal to Scubapro's MK17 First Stage
- EVO: Means Evolution, Revolutionizing Existing Technologies to Higher Performance
- High Performance, Reliable Scubapro Technology and Value
- Superior Ultra-High Airflow System, Maximum Performance in All-Temperatures & Conditions
- Ultra-Stable Intermediate Pressure
- High Performance in Warm and Cold Water to 3336 psi (230 bars)
- Meets New EN250-2014 Requirements
- CE Approved for 3360 psi (230 bars) in Cold Water Conditions
- Increased Cold Water Efficiency by 30% Over Previous MK25 Regulator
What our Experts Think
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Flagship first-stage performance: The ScubaPro MK25 EVO DIN First Stage uses a balanced piston design to deliver exceptionally high airflow with ultra-stable intermediate pressure, even at low tank pressures.
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Outstanding cold-water reliability: Equipped with the XTIS (Extended Thermal Insulating System), it offers significantly improved freeze resistance, making it an excellent choice for cold-water and demanding dive conditions.
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Superior hose routing: A swiveling turret, five high-flow low-pressure ports, and two high-pressure ports provide maximum flexibility for recreational, technical, and sidemount configurations.
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Smooth, effortless breathing: The balanced piston mechanism ensures consistent airflow regardless of depth or cylinder pressure, reducing breathing effort throughout the dive.
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Built for long-term durability: Precision-machined chrome-plated brass construction and corrosion-resistant components are engineered for years of reliable performance.
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Professional-grade foundation: Whether paired with recreational or technical second stages, the MK25 EVO remains one of ScubaPro's highest-performing first stages, trusted by experienced divers worldwide.
Q&A
Q: What type of first stage is the Scubapro MK25 EVO?
A: It is a balanced piston first stage, delivering high airflow and consistent breathing performance at all depths and tank pressures.
Q: Is the MK25 EVO suitable for cold-water diving?
A: Yes. It features Extended Thermal Insulating System (XTIS) technology, providing excellent freeze resistance for cold-water diving.
Q: What does the DIN connection offer?
A: The DIN fitting provides a secure, high-pressure connection to compatible scuba cylinders, making it ideal for recreational, technical, and professional diving.
Q: What type of diving is this first stage designed for?
A: It is suitable for recreational, technical, deep, and cold-water diving, delivering reliable performance in demanding conditions.
Q: Is the MK25 EVO compatible with different Scubapro second stages?
A: Yes. It is compatible with a wide range of Scubapro second stages, allowing divers to customize their regulator setup.
Q: Does the first stage require regular servicing?
A: Yes. Regular inspection and servicing by an authorized Scubapro technician are recommended to maintain optimal safety and performance.
Maintenance Tips
Damage 
Loss 
Theft 
