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About Scuba Pro MK25/S600 Regulator

The Scuba Pro MK25/S600 Regulator First Stage offers a Machined, Marine-Grade Chrome Plated Body and Balanced Composite/Stainless Steel Flow-Thru Piston that would make any diver proud It demonstrates SCUBAPRO's dedication to quality and creating positive diving experiences This First Stage adapts to External Pressure changes and comes standard with the Thermal Insulating System (TIS), which keeps your First Stage from Freezing-Up and Malfunctioning in Cold Water Conditions The MK25 has two High-Pressure Ports and five Low-Pressure Ports The Low-Pressure Ports are arranged on a Swivel Cap for Easy Hose Routing

Because of the S600's Versatility, it can meet the diver's needs as frequently as the diver changes dive sites The S600 is constructed of a Chrome-Plated Brass and Techno-Polymer Valve Housing, a Linear Air-Balancing Valve, and a top notch Air-Balancing System This regulator's Air-Balanced Linear-Flow Valve allows the diver to use Less-Energy while Breathing Underwater; it makes breathing during a dive as simple as well, breathing in and out

The S600 has a Diver Adjustable Inhalation Control that enables personal Adjustment of Breathing Effort The S600's Diver Adjustable Venturi Initiated Vacuum Assist (VIVA) Dive/Pre-Dive Control Switch and Extra High Flow Exhaust Valve account for Easy Inhalation & Exhalation at any Depth or Breathing Rate The Regulator comes equipped with a 3/8" threaded Super-Flow Hose for Smooth Air Delivery Precision Molded, Lightweight Components and Anti-Freeze Materials provide High Corrosion Resistance and Enhance Cold Water Performance The Second Stage is equipped with a Comfortable Orthodontic Mouthpiece The Regulator weighs 35 9 oz (1,018 g) comes with an Owner's Manual and a Limited Lifetime Warranty

The Scuba Pro MK25/S600 Regulator is commonly used for Cold Water, Extreme Depths, Professional, Recreation, Warm Water and more. The Scuba Pro MK25/S600 Regulator is most used by customers who consider themselves to be a Advanced, Advanced Diver, Casual/ Recreational, Divemaster, Recreational Diver among others. The Scuba Pro MK25/S600 Regulator is popular because customers like the following qualities of the Scuba Pro MK25/S600 Regulator: Adjustable, Comfortable, Effortless breathing, Nitrox Compatible, Reliable.

Warranty Information

This product has a limited lifetime warranty.

www.scubapro.com
(800) 468-2822

Scuba Pro MK25/S600 Regulator Features

  • Scuba Pro MK25/S600 Regulator:
  • Tried-and-True System
  • Weight: 35.9 oz (1,018 g)
  • Owner's Manual
  • Limited Lifetime Warranty
  • First-Stage:
  • Scuba Pro MK25
  • Machined, Marine-Grade Chrome Plated Body
  • Balanced Composite/Stainless Steel Flow-Thru Piston
  • Thermal Insulating System (TIS)
  • TIS: Prevents Freezing-Up and Malfunctioning in Cold Water Conditions
  • High Performance in Warm and Cold Water to 4300 psi (300 bars)
  • HP Ports: 2
  • LP (high flow) Ports: 5
  • LP Ports Mounted on Swivel Cap for Maximum Hose Routing
  • Second-Stage:
  • Scuba Pro S600
  • Chrome-Plated Brass and Techno-Polymer Valve Housing
  • Linear Air-Balancing Valve Top Notch Air-Balancing System
  • Less-Energy while Breathing Underwater
  • Diver Adjustable Inhalation Control for Personal Adjustment of Breathing Effort
  • VIVA: Dive/Pre-Dive Control Switch
  • Extra High Flow Exhaust Valve
  • VIVA & Exhaust Valve for Easy Inhalation & Exhalation at Any Depth or Breathing Rate
  • 3/8" Threaded Super-Flow Hose
  • Precision Molded, Lightweight Components and Anti-Freeze Materials
  • High Corrosion Resistance and Enhance Cold Water Performance
  • Comfortable Orthodontic Mouthpiece

Scuba Pro MK25/S600 Regulator Specifications

1'st Stage Type
Balanced Flow-Thru Pistion
LP Ports
5
HP Ports
2
Adjustable 2'nd Stage
Yes
2'nd Stage Type
Linear Air-Balancing Valve
Materials
First-Stage: Chrome Plated Brass <br> Second-Stage: Chrome-Plated Brass and Techno-Polymer Valve Housing
Hose Thread
3/8"
Total Weight
35.9 oz (1,018 g)
Mfr #
SKU
SCPM25S60

Scuba Pro MK25/S600 Regulator Customer Reviews

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by PowerReviews
Scubapro MK25/S600 Regulator
 
4.9

(based on 61 reviews)

Ratings Distribution

  • 5 Stars

     

    (58)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

98%

of respondents would recommend this to a friend.

Pros

  • Comfortable (58)
  • Adjustable (55)
  • Nitrox compatible (54)
  • Effortless breathing (46)
  • Reliable (4)

Cons

  • Heavy (3)

Best Uses

  • Warm water (43)
  • Extreme depths (37)
  • Cold water (36)
  • Recreation (12)
  • Professional (9)
    • Reviewer Profile:
    • Advanced diver (23), Advanced (9), Divemaster (8), Casual/ recreational (7), Recreational diver (6)
    • Diving Type:
    • Open water diving (38), Night diving (28), Wreck diving (27), Drift diving (21), Cave diving (11)
    • Was this a gift?:
    • No (19)

Most Liked Positive Review

 

Scubapro is still Rolls Royce underwater

After 25 years, I finally gave up my beloved MK10/G250 which used to be the top of the line, and bought this regulator. It is just as reliable as my old one,...Read complete review

After 25 years, I finally gave up my beloved MK10/G250 which used to be the top of the line, and bought this regulator. It is just as reliable as my old one, but much lighter, smaller and more comfortable. It proved to be the best regulator you can get.

VS

Most Liked Negative Review

 

Sub par

Bought this off Leisurepro and it broke after four dives- Blew a gasket in the first stage. Luckily I had a spare. Got it serviced, and it did the same thing after another...Read complete review

Bought this off Leisurepro and it broke after four dives- Blew a gasket in the first stage. Luckily I had a spare. Got it serviced, and it did the same thing after another four dives. Returned it and LP lost it. Had to rebuy from local dealer.

Reviewed by 61 customers

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Displaying reviews 1-5

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5.0

Reliable Regulator for Most Conditions

By divemoreworkless

from Santa Fe, NM

About Me Advanced

See all my reviews

Pros

  • Adjustable
  • Comfortable
  • Effortless Breathing
  • Nitrox Compatible

Cons

  • Mouthpiece Uncomfortable

Best Uses

  • Cold Water
  • Warm Water

Comments about Scubapro MK25/S600 Regulator:

I purchased the Scubapro MK25-S 600 regulator in 2010 when I started having problems with my former reg after several hundred dives. I researched regulators extensively and decided that for my primary dive profile, preferences and conditions, this reg would fit the bill just fine, and it has. My goal was to find a great reg in a moderate price range; hence, I decided on the piston 1st stage, which is typically a little less expensive.

Breathing is effortless, and it has never leaked in the mouthpiece, as I've had problems with using other regs. It's easy to adjust breathing resistance, and it purges flawlessly. What I really like about the 1st stage also is the ease of attaching to most tanks itself. I have had trouble with other 1st stages not sealing appropriately to the tank, even with new O-rings, etc. I have had no issues with the 1st stage piston style. I would consider a diaphragm reg though, if I did rescue diving or extensive diving in poor conditions, such as really murky water, areas with lots of sand or debris, etc.

I also found that the MK25-S 600 rated high in diver satisfaction and reliability, and of course ordering from Leisure Pro is simple and convenient, and their customer service is very good.

The only downside about this reg for me was the mouthpiece, which I found adequate but not super comfortable, but it was easy to switch this out for a custom-fit mouthpiece, which works better for me as I've had extensive dental work, crowns, etc.

Bottom line: This is a good, reliable regulator offered at a decent price at Leisure Pro.

  • Diving Type:
  • Drift Diving, Night Diving, Open Water Diving
  • Was this a gift?:
  • No

Comment on this review

 
4.0

Outstanding reg!

By Thailand Diver

from Gilbert AZ

About Me Casual/ Recreational

Verified Buyer

Pros

  • Adjustable
  • Effortless Breathing
  • Nitrox Compatible

Cons

    Best Uses

    • Cold Water
    • Extreme Depths
    • Warm Water

    Comments about Scubapro MK25/S600 Regulator:

    Outstanding reg that really comes into its own at depth. When you go deep, you will notice a big difference with lower end regs (my previous reg was a Titan).

    Only negative - crummy mouthpiece, but that was a 3 minute fix to add my mouthpiece of choice.

    • Diving Type:
    • Drift Diving, Night Diving, Open Water Diving, Wreck Diving
    • Was this a gift?:
    • No

    Comment on this review

     
    5.0

    Great Product

    By Scubagirl

    from KY

    About Me Advanced

    Verified Buyer

    Pros

    • Adjustable
    • Comfortable
    • Effortless Breathing
    • Nitrox Compatible

    Cons

      Best Uses

      • Warm Water

      Comments about Scubapro MK25/S600 Regulator:

      13 Dives is all I have logged with my new product but it performs as expected, GREAT!

      • Diving Type:
      • Night Diving, Open Water Diving
      • Was this a gift?:
      • No

      Comment on this review

       
      5.0

      11 yrs and counting

      By boyong

      from denver

      Pros

      • Adjustable
      • Comfortable
      • Effortless Breathing
      • Nitrox Compatible
      • Reliable

      Cons

        Best Uses

          Comments about Scubapro MK25/S600 Regulator:

          Over 500 dives and 11 yrs never had an issue with this reg. VERY RELIABLE!! just get it maintained yearly..

          • Diving Type:
          • Open Water Diving
          • Was this a gift?:
          • No

          Comment on this review

           
          5.0

          Great pieces

          By Steve

          from Singapore

          About Me Professional

          Verified Buyer

          Pros

          • Adjustable
          • Comfortable
          • Effortless Breathing
          • Nitrox Compatible

          Cons

            Best Uses

            • Cold Water
            • Warm Water

            Comments about Scubapro MK25/S600 Regulator:

            Very solid 1st and 2nd stage. Feels and looks great. Works well

            • Diving Type:
            • Drift Diving, Night Diving, Open Water Diving, Wreck Diving
            • Was this a gift?:
            • No

            Comment on this review

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