The 7 Best First Stage Dive regulators (2023 reviews)

first stage dive regulators
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We consider a first stage dive regulator to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

Our review process:

Our Top Picks:

Cressi First Stage Dive Regulator
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Ocean Reef First Stage Dive Regulator
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Scuba choice First Stage Dive Regulator
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Atomic Aquatics First Stage Dive Regulator
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Sherwood First Stage Dive Regulator
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SCUBAPRO First Stage Dive Regulator
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SCUBAPRO First Stage Dive Regulator
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Cressi First Stage Dive Regulator

Cressi First Stage Dive Regulator
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The cressi first stage dive regulator should be able to handle its purpose and duties with ease. The Octopus XS Compact uses the same casing as the XS Compact model made from special hi-tech polymers. It features place it beyond regulators of the highest range. It is made up of the new 2nd stage xs compact with elastomer cover combined with the traditional cressi ac2 piston 1st stage.

The new ultra simplified monocoque second stage in ABS + elastomer, small, very light and robust, designed and built to have a minimum number of components. The specific calibration of the inhalation mechanism changes slightly the personality on air output according to Ellipse series, rewarding an abundant flow without the need to exploit Venturi effect, beyond the exquisite touch and sensitivity of these kinds of regulators. It is suitable for intense use. Its mechanism and development are planned to obtain the minimum number of components and great strength.

Why We Like This:
  • Exhalation effort reduced without the need to minimize the diaphragm thickness
  • Asymmetrical frontal 2nd stage cover drilling
  • Piston 1st stage plus a compact single-hull second stage

Ocean Reef First Stage Dive Regulator

Ocean Reef First Stage Dive Regulator
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The Ocean Reef high performance balanced diaphragm 1st-stage regulator is inherently environmentally sealed. It has design that none of the delicate internal parts are exposed to contaminants such as salt, sand, chlorine or pool acids. The regulators use a diaphragm design to create an environmentally sealed mechanism to ensure durability and high performance even in contaminated water.

The balanced diaphragm, chrome plated marine brass first stage regulator is inherently environmentally sealed. It is designed for use with the Neptune space full face mask.

Why We Like This:
  • New and hot release
  • Good investment for long term

Scuba choice First Stage Dive Regulator

Scuba choice First Stage Dive Regulator
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The scuba choice first stage dive regulator's superior materials makes sure that it ages well with use. This regulator is highly adjustable and very easy to breathe from. The Over-balanced diaphragm design delivers superior breathing performance even at increased depths. Environmental sealing prevents internal corrosion, contaminants and icing of the first stage. It is made with corrosion resistant marine chrome plated finish.

Why We Like This:
  • High quality regulator first stage and second stage with 27" hose
  • Good investment for long term

Atomic Aquatics First Stage Dive Regulator

Atomic Aquatics First Stage Dive Regulator
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The atomic aquatics first stage dive regulator is capable of outshining several other regulator featured in this list in overall features in its price range.

Why We Like This:
  • New and hot release
  • Good brand reputation

Sherwood First Stage Dive Regulator

Sherwood First Stage Dive Regulator
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This is one horse first stage regulator. It 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. It reduces regulator profile when mounted on tank minimizing opportunity to make-contact-with-the-back-of-the-head.

The dry seal function allows the regulator to increase the intermediate pressure of the regulator without messy oils or grease as with more sophisticated designs. It 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 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.

Why We Like This:
  • Nitrox compatible to 40% oxygen out-of-the-box
  • Keeps intricate components clean and contaminate free
  • Good brand reputation

SCUBAPRO First Stage Dive Regulator

SCUBAPRO First Stage Dive Regulator
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Next on the list, we've got yet another regulator that manages to win our hearts. It's the scubapro first stage dive regulator and it's widely considered as one of the best convenient regulator you can buy. The arrangement of high and low pressure hoses is crucial to diving comfort. The MK17 and MK11 feature four stationary low pressure ports, two of them HF. It allows the diver to position the gauges either on the right or left side and increases the freedom of movement for head and neck. The diaphragm system keeps water and pollution out of the main mechanism while balanced technology delivers air promptly at all tank pressures.

For ultimate freedom in the arrangement of low pressure hoses, the MK25 accommodates five HF (high flow) ports on a swiveling turret, which allows for 360 degree swivel of hoses. The high flow ports deliver about 15% more air than conventional ports. It comes with its chrome plated brass body specially designed to reduce size and weight, the mk11 is an ideal travel companion.

Why We Like This:
  • Good brand reputation
  • Delivers what they promise

SCUBAPRO First Stage Dive Regulator

SCUBAPRO First Stage Dive Regulator
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If you often find yourself scrambling for convenient and suitable regulator, scubapro first stage dive regulator should be your first option for buying. The arrangement of high and low pressure hoses is crucial to diving comfort. For ultimate freedom in the arrangement of low pressure hoses, the MK25 accommodates five HF (high flow) ports on a swiveling turret, which allows for 360 degree swivel of hoses. The diaphragm system keeps water and pollution out of the main mechanism while balanced technology delivers air promptly at all tank pressures.

The MK17 and MK11 feature four stationary low pressure ports, two of them HF (high flow) ports on a swiveling turret, which allows for 360 degree swivel of hoses. It allows the diver to position the gauges either on the right or left side and increases the freedom of movement for head and neck.

Why We Like This:
  • Delivers what they promise
  • Good brand reputation