Scubapro MK25 EVO/A700 Regulator - REG241 YOKE
Scubapro MK25 EVO/A700 Regulator - REG241 YOKE
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Scubapro MK25 EVO/A700 Regulator - REG241 YOKE
Scubapro MK25 EVO/A700 Regulator - REG241 YOKE
With the MK25 EVO/A700 you are guaranteed a reliable, low-effort delivery of air, no matter how hard you're breathing, how deep you're diving, or what your temperature gauge reads. The MK25 EVO first stage lets you enjoy an ultra-fast breathing response, instant delivery of air on demand, great sensitivity and extra-high airflow, regardless of how cold the water is. The A700 second stage, with its metal casing, screw-down cover, metal valve housing (barrel) and over-molded accents, exhibits a real muscularity in design. Put them together and you get unparalleled breathing performance whether you're cruising the balmy waters of the tropics or venturing beneath a polar ice cap.
Features
- Air balanced piston first stage in a chrome-plated body delivers consistent and effortless airflow, regardless of depth, tank pressure, or breathing rate.
- Patented XTIS (Extended thermal Insulating system) thermally insulates the inner mechanism from the environment, improving cold-water resistance and delaying ice formation in extreme cold-water conditions without compromising breathing performance.
- Anti-freeze protection radically increases breathing reliability when diving in the most extreme water temperatures.
- Two opposing high pressure ports allow the first stage to be positioned either up or down.
- Four high-flow and one axial super high-flow low pressure ports on a swivel turret maximize hose routing options.
- External intermediate pressure adjustment enables technicians to fine-tune performance quickly and easily.
- Rugged full metal second stage case and valve housing (barrel) are able to withstand years of aggressive diving.
- Metal second stage case construction enables the use of a larger diaphragm inside a compact casing, increasing breathing sensitivity.
- Air balanced second stage valve smoothes out the inhalation effort when diving at varying depths and supply pressures.
- Sectional exhaust tee and a first-rate purge help to deliver effortless inhalation and an ease of exhalation that is unmatched.
- User controls include a diver-adjustable inhalation effort knob and coaxial Venturi-Initiated Vacuum Assist (VIVA) switch.
- Super-flow hose features an oversized bore that allows more air to flow on each inhalation.
What our Experts Think
- Industry-leading airflow – MK25 EVO delivers extremely high gas flow with instant response at any depth or tank pressure, making breathing feel effortless.
- Cold-water reliability – XTIS thermal insulation system improves freeze resistance by ~30%, helping maintain performance in harsh conditions.
- Ultra-smooth inhalation – A700 air-balanced second stage reduces breathing resistance for a natural, fatigue-free breathing feel.
- All-metal durability – The A700’s metal housing enhances sensitivity, strength, and long-term reliability under heavy use.
- Highly adjustable performance – User-controlled inhalation effort and Venturi (VIVA) system allow fine tuning and free-flow control.
- Excellent hose routing flexibility – Swivel turret and multiple high/low pressure ports support clean, customized setups.
- Built for demanding divers – Designed for consistent performance in deep, cold, and high-workload diving conditions while remaining travel-friendly for a premium system
Q&A
Q: What is the Scubapro MK25 EVO / A700 Regulator (REG241 YOKE)?
A: It is a premium high-performance scuba regulator system pairing the MK25 EVO balanced piston first stage with the A700 full-metal second stage, designed for effortless breathing, high airflow, and all-condition diving.
Q: What makes the MK25 EVO first stage stand out?
A: It uses an air-balanced flow-through piston design that delivers very high, consistent airflow regardless of depth or tank pressure, with Scubapro’s XTIS thermal system improving cold-water resistance and reducing freeze risk.
Q: What are the benefits of the A700 second stage?
A: The A700 is a full-metal, air-balanced second stage that provides extremely low inhalation effort, smooth airflow, and excellent durability thanks to its metal valve housing and heat-conducting design.
Q: Is it suitable for cold-water diving?
A: Yes. The MK25 EVO includes XTIS insulation and anti-freeze engineering, making it reliable in cold, temperate, and warm water conditions.
Q: What does YOKE (INT) mean?
A: It is the standard clamp-style connection used on most recreational scuba tanks, making it widely compatible for travel and rental diving worldwide.
Q: Who is this regulator best for?
A: It’s ideal for advanced recreational, technical, and professional divers who want top-tier breathing performance, durability, and consistent performance in all environments
Maintenance Tips
- Rinse thoroughly with fresh water after every dive, keeping the yoke dust cap securely in place to prevent water from entering the first stage.
- Rinse and lightly cycle the purge button and adjustment knobs on the A700 to remove salt and sand from internal mechanisms.
- Always rinse only when the regulator is properly sealed/pressurized; never allow water into the first stage inlet.
- Drain completely and air-dry in a shaded, well-ventilated area away from heat and direct sunlight.
- Store loosely coiled with hoses relaxed to avoid kinks or stress on fittings.
- Inspect hoses, mouthpiece, O-rings, and fittings regularly for wear, cracks, or corrosion before each dive.
- Avoid sand, oils, solvents, chlorine, and harsh chemicals that can degrade seals and valve performance.
- Have the MK25 EVO and A700 professionally serviced at least annually or per manufacturer schedule to maintain safe breathing performance.
