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About Sherwood Magnum Regulator

The Magnum uses the same technology and design that has earned the Brut worldwide recognition for durability and reliability. The Magnum goes further to use a venturi device to reduce breathing resistance at the higher flow rates when it is needed the most. A flow control switch allows the diver to switch the venturi effect off when at the surface or in shallow water to stabilize the regulator for better manageability.

> Innovation at its best is the way to explain the function of the Sherwood first stage regulator. The first stage regulator incorporates Sherwood's dry sealed spring. This simple yet unique design has a flow-by piston that mechanically balances the air of the first stage ensuring excellent breathing characteristics at full or low cylinder pressures. Balanced flow-by piston design, which is a "fail safe" mechanism, with a patented dry seal internal mechanism to keep the intricate components clean and contaminate free no matter what kind of environment you dive it in, constructed from marine grade chrome plated brass for long life and durability.

The dry seal function allows the regulator is increase the intermediate pressure of the regulator without messy oils or grease as with more sophisticated designs. This added benefit makes the regulator virtually uncontaminated from the environment of salt, sand or chlorine internally, which makes it the choice of most repair technicians. The first stage is equipped with two 7/16" threaded high pressure (HP) ports and four 3/8" threaded low pressure (LP) ports for addition of gauges and LP accessories; this is one work horse first stage regulator. Tee - shaped design reduces regulator profile when mounted on tank minimizing opportunity to make contact with the back of the head. First stage has a high capacity inlet filter for smooth delivery of air to the second stage.

The Manum second-stage boasts a large diaphragm and exhaust vale for optimal response to inhalation and decreased exhalation resistance. Magnum's precision-ground stainless steel cam, delrin lever and resilient silicone rubber seat give smooth effortless breathing. Its high impact glass-filled polyamide housing for rugged applications make the Magnum regulator one great choice for any avid diving enthusiast. The Magnum is a dependable downstream demand valve design with a venturi adjustment lever to prevent free flow. The lever has a dive/pre-dive setting. Placing the lever in the pre-dive position will avoid unwanted regulator sensitivity while entering the water from the beach with long surface swims or when jumping off the back of a boat. The regulator is equipped with a 3/8" threaded 31" (78.75cm) low pressure hose, is nitrox compatible to 40% oxygen out-of-the-box" , comes with an owner's manual and is covered by a 24 month limited warranty with an optional free parts for life program (restrictions apply).

The Sherwood Magnum Regulator is commonly used for Cold Water, Warm Water and more. The Sherwood Magnum Regulator is popular because customers like the following qualities of the Sherwood Magnum Regulator: Adjustable, Comfortable, Effortless breathing, Nitrox Compatible.

Warranty Information

This product has a limited warranty of 24 months.

Sherwood Magnum Regulator Features

  • Same Technology-and-Design that Earned the Brut Worldwide Recognition
  • Totally-Redesigned: Provides Outstanding Breathing Performance
  • Maintains Dedication to Rugged Reliability Combined with Ease of Maintenance
  • Simple Reliability
  • NITROX Compatible to 40% Oxygen Out-of-the-Box"
  • 3/8" Threaded 31" (78.75cm) Low Pressure Hose
  • 2 Year Limited Warranty
  • Free Parts for Life (Restrictions Apply)
  • Owner's Manual
  • First Stage: Sherwood Dry Sealed Regulator
  • Incorporates Sherwood's Patented Dry Sealed Spring:
    Keeps Intricate Components Clean and Contaminate Free
    No Messy Oils or Grease as with More Sophisticated Designs
    Environmentally Sealed w/o the Mess!
    Seals-Out Sand, Silt, Salt and Chlorine Contaminates
    Less Maintenance
  • Mechanically Balanced Flow-By Piston
  • Flow-By Piston: "Fail Safe" Mechanism
  • Excellent Breathing Characteristics at Full or Low Cylinder Pressures
  • Marine Grade Chrome Plated Brass for Long Life and Durability
  • Two 7/16" Threaded High Pressure (HP) Ports
  • Four 3/8" Threaded Low Pressure (LP) Ports
  • High Capacity Inlet Filter for Smooth Delivery of Air to Second Stage
  • Second-Stage: Sherwood Magnum
  • Dependable Downstream Demand Valve Design
  • Larger Diaphragm for Optimal Response to Inhalation
  • Larger Exhaust Valve for Decreased Exhalation Resistance
  • Resilient Silicone Rubber Seat
  • Precision - Ground Stainless Steel Cam and Delrin Lever for Smooth Effortless Breathing
  • VENTURI Adjustment Lever: Prevent Free Flow
    Dive/Pre-Dive Setting
    Pre-Dive Position: Avoid Unwanted Regulator Sensitivity
    Dive Position: Decreased Inhalation Effort
  • High Impact Glass-Filled Polyamide Housing for Rugged Applications

Sherwood Magnum Regulator Customer Reviews Powered by TurnTo®

Review Summary


(based on 9 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


Great Regulator...but some issues

I did love the regulator. Its breathes great, mouthpiece is very comfortable, 1st stage is good quality. My only MINOR complaints are the air bubble direction (Might as well not even have exhausts) and the adjustable valve seems pretty useless. I tried the "adjustable" valves at every 10 feet all the way down to 160 and I didnt notice ANY change at all. The design is nice, I get compliments on it. Its not bulky and breathes very well. I would love to give it 5 stars but I dont feel its 100%.....

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Most Liked Negative Review


OK, regulator, not great

The Sherwood Magnum regulators did not give me enough air to breathe. It was hard to breathe from. I exchanged my two Magnum regulators for a Sherwood SR1 regulator and what a difference in breathing. The SR1 gives you effortless breathing compared to the Magnum regulator. Save and pay a little more and buy your self a better regulator.

Reviewed by 9 customers

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Sherwood Magnum regulator Great!


Easy breathng even at an angle!!!!


Great Regulator...but some issues


I did love the regulator. Its breathes great, mouthpiece is very comfortable, 1st stage is good quality. My only MINOR complaints are the air bubble direction (Might as well not even have exhausts) and the adjustable valve seems pretty useless. I tried the "adjustable" valves at every 10 feet all the way down to 160 and I didnt notice ANY change at all. The design is nice, I get compliments on it. Its not bulky and breathes very well. I would love to give it 5 stars but I dont feel its 100%...I would like to give 4 and 1/2


Great Regulator


This is a great regulator for the money. I'm a big guy and this supplies enough air to fill my lungs. Went down deep and the breathing didn't get any harder. Not to mention this regulator looks great for the money and I've gotten compliments on it. After using some rental gear this regulator is a big difference. As the one reviewer below did it's not fair to compare this against an SR1 which double the price. Bottom line, this is a great mid-price range regulator.




Awesome reg. 2nd stage breathes easy and is comfortable. 1st stage is bomber. Have only had the reg for a few months now so I can't really vouch for long-term use but I have been on dozens of dives with it and love the thing.


Effortless breathing


No long term durability data yet but it works very nicely. Should last with proper maintenance. It replaces my other 20 year old Sherwood regulator that still works fine.

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Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Can it be used as a hookah regulator?
CARLETON B  You will need to replace the hose as it is too short for that app. A number of dive boats on grand Cayman hang one over the side to 15 ft for divers running short on the ascent
LYLE H  No! A standard Scuba regulator consists of a first and a second stage. The first stage breaks down the high pressure from your Scuba tank (which may be up to about 3000 psi) down to an intermediate pressure and then the second stage takes it down even further to a more ambient-like pressure (to 50-60 psi) from which you breathe on demand. There’s a lot going on inside the first and second stage of the Scuba regulator and in comparison the Hookah Diving Regulator is so much more simple. In fact whereas you will be well advised to take your Scuba regulator in for service at least on an annual basis, the Hookah Diving Regulator is so simple that if you just rinse it after each use, you will probably not have a need for a service
corey w  does this include 1st and 2nd stage?
CARLETON B  Yes includes both first and second stage October is separate purchase. Really like the performance.
JONATHAN M  Mine did. It has been a workhorse for me. I am a DM and I dive the Caribbean, quarries and lakes. Never any issues with the reg. I get it serviced every other year. Hope this helps.
EGLADIR X  Yes, but you will need to also buy and install a secondary second stage (octopus), an inflator hose and an SPG.
Vassili N  Yes, It includes 1st and 2nd stage. Very good regulator. Recommend
Shopper  Can you hook up the Magnum Reg to a Genesis first stage ?
Frank L  Yes, no problem.
JONATHAN M  Genesis and Sherwood are the same company so I would say yes. But you may want to ask a technician. But the Magnum is a workhorse so I think that you will be happy with it.
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