Coaxial Diaphragm Regulators

Hollis DC7 500SE Regulator with Maxflex Hose

10 reviews

SKU: HLSDC75Y

~~$749.95~~ Save: $350.00 (47%)

^$399.95

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In Stock

DESCRIPTION

A precision regulator set with environmentally sealed, durable materials and adaptable second stage positioning.

Mares Prestige 15X and Prestige Octopus Package

10 reviews

SKU: MRSPKPRGY

~~$619.90~~ Save: $170.90 (28%)

^$449

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In Stock

DESCRIPTION

A lightweight Mares regulator package with diaphragm first-stage, 4 LP ports, and 2 HP ports.

Cressi XS Compact Pro MC9 SC Regulator

7 reviews

SKU: CSBRCPS

^$389.95

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In Stock

DESCRIPTION

A lightweight, environmentally sealed regulator with enhanced performance and reduced effort for easy travel.

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

^$475

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In Stock

DESCRIPTION

A patented, environmentally sealed regulator with optimal hose routing and Teflon-coated parts.

Dive Rite XT Advanced Open Water Regulator

5 reviews

SKU: DIVPK53Y

^$779

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In Stock

DESCRIPTION

A streamlined, environmentally sealed regulator with adjustable 2nd stage and cold-water ready components.

Hollis DC7 First Stage Only

4 reviews

SKU: HLSFSDC7Y

^$339.95

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In Stock

DESCRIPTION

A high-performance, environmentally sealed first stage regulator with DIN fitting and NITROX compatibility.

Zeagle Envoy II Yoke Regulator

3 reviews

SKU: ZGLEN

^$449.95

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In Stock

DESCRIPTION

A lightweight and compact diaphragm regulator with an environmentally sealed first stage and nitrox compatibility.

Scubapro MK25 EVO/A700 Carbon BT Yoke Dive Regulator System

3 reviews

SKU: SCPM25EA7CB

^$1749

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In Stock

DESCRIPTION

A durable and sleek black regulator with adjustable 2nd stage and enhanced cold-water diving capabilities.

Zeagle Envoy II DIN Regulator

2 reviews

SKU: ZGLEDN

^$449.95

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In Stock

DESCRIPTION

A balanced diaphragm DIN regulator with freezing resistance and 5 LP ports.

Mares Ultra 62X Yoke Diving Regulator

2 reviews

SKU: MRSULT62YRG

^$549.95

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In Stock

DESCRIPTION

A high-performance, lightweight diving regulator with innovative twin power system and easy-to-use purge button.

Aqualung Leg3nd MBS Regulator with Leg3nd Supreme Octopus

1 reviews

SKU: PCKALMRO

^$1259

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In Stock

DESCRIPTION

A balanced diaphragm regulator package with adjustable 2nd stage and lightweight design for easy breathing.

Apeks XTX50 Regulator, Yoke

1 reviews

SKU: APXXTX50Y

^$649

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In Stock

DESCRIPTION

A high-performance regulator with optimal hose routing, smooth breathing, and bubble control, suitable for cold-water diving.

Scubapro MK19 EVO BT/G260 Carbon BT Yoke Dive Regulator System

1 reviews

SKU: SCPMK19

^$1516

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In Stock

DESCRIPTION

A premium dive regulator system with a carbon cover, freeze-proof technology, and effortless breathing.

Apeks Sidemount Regulator Kit

1 reviews

SKU: APXSRK

^$2199

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In Stock

DESCRIPTION

A smooth and easy breathing sidemount regulator kit with an over-balanced diaphragm 1st stage and pneumatically balanced 2nd stages.

Dive Rite XT1 First Stage Only (No Hose)

1 reviews

SKU: DIVRG5100D

^$319

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In Stock

DESCRIPTION

A balanced diaphragm first stage with 5 LP ports and 2 HP ports, environmentally sealed and flexible hose-routing.

Mares Ultra Adj 82X Regulator

1 reviews

SKU: MRSUA82X

^$595.95

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In Stock

DESCRIPTION

A reliable, lightweight regulator with customizable 360-degree swivel turret and patented V.A.D. system.

Scubapro MK17 EVO 2/S620 Ti Dive Regulator System

1 reviews

SKU: SCPMK17RI

^$989

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In Stock

DESCRIPTION

A lightweight, titanium regulator system with sealed diaphragm and adjustable breathing for extreme diving conditions.

Scubapro MK19 EVO/A700 Dive Regulator System

1 reviews

SKU: SCPM19EA700

^$1254

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In Stock

DESCRIPTION

A reliable regulator for cold and contaminated water diving with adjustable settings for comfort.

Aqualung Helix Yoke Regulator

1 reviews

SKU: UDRHXY

~~$535~~ Save: $235.05 (44%)

^$299.95

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In Stock

DESCRIPTION

A balanced regulator with adjustable 2nd stage, Comfo-Bite mouthpiece, and EAN 40 compatibility.

Mares Prestige 15X Regulator

1 reviews

SKU: MRSPR15XGR

~~$449.95~~ Save: $105 (23%)

^$344.95

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In Stock

DESCRIPTION

A compact and reliable regulator with advanced coating technology for durability and easy breathing.

Pros

Good basic reg
Dependability
Clear view
Breathability
Price

Scubapro MK11 EVO/C370 Dive Regulator

1 reviews

SKU: SCPMK11DRSD

^$719

+ wishlist

In Stock

DESCRIPTION

A lightweight Scubapro dive regulator set with air-balanced diaphragm design and adjustable controls for personalized breathing comfort.

Cressi Compact MC9 Regulator

1 reviews

SKU: CSBX9S

^$329.95

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In Stock

DESCRIPTION

A hyper-balanced diaphragm regulator with anti-wear materials, enhanced performance, and EN250/2000 certification.

Cressi Bundle Aquapro+ BCD with Compact MC9 Regulator, XS Compact Octopus and Digi 2 Digital Console

1 reviews

SKU: PCKCRSAROB

^$984.95

+ wishlist

In Stock

DESCRIPTION

A complete life support bundle with a balanced diaphragm regulator, digital console, and jacket-style BCD.

Hollis 200LX DCX Regulator

1 reviews

SKU: HLS2DY

^$764.95

+ wishlist

In Stock

DESCRIPTION

A customizable regulator set with over-balanced diaphragm and durable PVD coating for peak performance.

Hollis 500SE DC7 Regulator with Gauge and Hose

SKU: PCKDHRP3

~~$925.85~~ Save: $325.90 (35%)

^$599.95

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with environmentally sealed components, adjustable venturi system, and brass pressure gauge.

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Coaxial Diaphragm Regulators

When exploring the world of scuba diving, the choice of regulator is a pivotal decision that shapes both comfort and safety beneath the surface. Coaxial diaphragm regulators stand out for their precision engineering, offering divers a smooth, reliable breathing experience in a wide range of underwater conditions. These regulators are designed with a balanced diaphragm mechanism that isolates the breathing air from the ambient water, providing consistent airflow regardless of depth or tank pressure. This feature is especially appreciated by divers who frequent colder waters or who find themselves navigating variable thermoclines, where performance consistency is paramount. Many seasoned divers recall their first descent with a diaphragm regulator—how the effortless inhalation at thirty meters felt no different than at the surface, allowing them to focus on the wonders of the reef rather than the mechanics of their equipment. Whether you’re planning a summer dive trip to tropical waters or gearing up for more challenging, technical dives during the busy June diving season, a coaxial diaphragm regulator can be the key to unlocking new underwater adventures.

For those considering a gift for an avid diver, coaxial diaphragm regulators make a thoughtful and practical choice. They’re particularly suited for divers who value durability, ease of maintenance, and versatility in their gear. New divers often appreciate the user-friendly design, which minimizes breathing resistance and reduces jaw fatigue during longer dives. Experienced divers, on the other hand, may seek out diaphragm regulators for their ability to handle demanding environments, such as deep wreck explorations or cold-water dives where piston regulators might struggle. The robust construction and advanced engineering inherent to these regulators mean they can be trusted companions for years to come, making them a meaningful present for milestones like dive certifications, birthdays, or to celebrate the start of the summer dive season. When selecting a regulator, it’s important to consider factors such as environmental sealing, ease of servicing, and compatibility with other dive gear. Many divers find that diaphragm regulators offer the flexibility they need for travel, local diving, and everything in between.

As you browse through the curated selection of coaxial diaphragm regulators, take the time to consider how each model aligns with your diving style and future aspirations. Think about the environments you’ll be exploring—whether it’s the vibrant coral gardens of the tropics, the mysterious kelp forests along temperate coasts, or the serene expanses of freshwater lakes. The right regulator can make every dive more enjoyable and safe, allowing you to immerse yourself fully in the underwater world. If you’re interested in exploring additional options, particularly for advanced or technical diving, you may also want to learn more about the features and benefits of Overbalanced Diaphragm Regulators, which offer enhanced performance at greater depths. No matter your level of experience, investing in a quality diaphragm regulator is a step toward more memorable and worry-free dives, ensuring that every breath you take underwater is as natural and effortless as the one before.

Top Picks For Coaxial Diaphragm Regulators