Backup Regulators

Cressi Octopue XS2

88 reviews

SKU: CSBOXS

~~$189.95~~ Save: $60 (32%)

^$129.95

+ wishlist

In Stock

DESCRIPTION

A reliable and high-performance Cressi XS Octopus with a lightweight design and dependable valve.

Pros

Great performance and breathability
Good value for the price
Easy to use and adjust
Budget-friendly
Reliable and durable

Scubapro Air 2, Combination Octopus/Inflator Regulator

49 reviews

SKU: SCPA2GYR

^$329

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In Stock

DESCRIPTION

A durable and versatile combination octopus/inflator regulator with easy-to-use features and a classic design.

Pros

Breathability
Reduces clutter and eliminates hoses
Convenient and practical
Combination of octopus and inflator
Streamlined design

Atomic Aquatics Safe Second Inflator (SS1), Stainless Steel

34 reviews

SKU: ATMSS1SBL

^$449.95

+ wishlist

In Stock

DESCRIPTION

A streamlined stainless steel inflator with high flow 2nd stage and easy single hand operation.

Pros

Convenient
No leaks
Streamlined setup
Easy breathing at depth
Versatility

Mares Prestige 15X and Prestige Octopus Package

32 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.

Mares Prestige Octopus

30 reviews

SKU: MRSPRO

~~$169.95~~ Save: $45.00 (26%)

^$124.95

+ wishlist

In Stock

DESCRIPTION

A compact and reliable octopus with easy breathing and durable housing.

Pros

Good value for the price
Suitable for beginners
Durable and long-lasting
Easy breathing
Reliable performance

Oceanic Alpha 8 SP5 Piston Regulator, Black

13 reviews

SKU: OCNA8SP5BK

^$334.95

+ wishlist

In Stock

DESCRIPTION

A durable black piston regulator with easy breathing, Nitrox compatibility, and exceeding safety standards.

Zeagle F8 Yoke Regulator

12 reviews

SKU: ZGLF8

^$749.95

+ wishlist

In Stock

DESCRIPTION

A high-performance yoke regulator with a low-profile design, environmentally sealed first stage, and adjustable second stage.

Spare-Air 3000 Kit

10 reviews

SKU: SX27B

^$299.99

+ wishlist

In Stock

DESCRIPTION

A reliable and compact backup air supply kit for emergency out-of-air situations during diving, available in multiple sizes and colors.

Cressi AC2/XS2 Regulator & XS2 Octo Package

9 reviews

SKU: PCKXS2

~~$344.90~~ Save: $45.90 (13%)

^$299

+ wishlist

In Stock

DESCRIPTION

A lightweight, high-performance regulator and octopus package with a non-balanced flow-by piston design.

Cressi Octopus Compact

9 reviews

SKU: CSBOC

^$159.95

+ wishlist

In Stock

DESCRIPTION

A reliable and comfortable Cressi octopus with a low profile design and non-corrosive materials.

Atomic Aquatics ST1 Swivel Sealed Regulator

7 reviews

SKU: ATMST1SS

^$1649.95

+ wishlist

In Stock

DESCRIPTION

A corrosion-resistant stainless steel regulator with smooth breathing and tangle-free movement.

Dive Rite XT2 Second Stage Regulator (No Hose)

7 reviews

SKU: DIVRG5200R

^$199

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced second stage with a carbon fiber cover and ABS plastic case.

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, ergonomic regulator with a titanium second stage and patented comfort swivel.

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

^$1299

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with customizable breathing options and enhanced cold-water diving capabilities.

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

^$575

+ wishlist

In Stock

DESCRIPTION

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

Dive Rite XT1/XT2 Advanced Open Water Regulator Package

5 reviews

SKU: DIVPK53Y

^$975

+ wishlist

In Stock

DESCRIPTION

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

Atomic Aquatics M1 Regulator DIN Sealed

5 reviews

SKU: ATMM1BKD

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A highly durable and corrosion-resistant Atomic M1 Regulator with DIN system, suitable for cold water and extreme diving.

Scubapro S600 Regulator, Second Stage Only

5 reviews

SKU: SCPS600N

^$620

+ wishlist

In Stock

DESCRIPTION

A durable Scubapro S600 second stage regulator with adjustable inhalation effort and comfortable mouthpiece.

OMS Evoque 2nd Stage Only (No Hose)

4 reviews

SKU: OMSRESS

^$250

+ wishlist

In Stock

DESCRIPTION

A lightweight, adjustable 2nd stage regulator with a pneumatically balanced valve and ergonomic venturi lever.

Cressi Octopus Compact Pro

4 reviews

SKU: CSBOCPN

^$179.95

+ wishlist

In Stock

DESCRIPTION

A low profile octopus with a comfortable silicone mouthpiece and smooth operation.

Sherwood Oasis Pro Regulator

4 reviews

SKU: SWDRO

~~$494.95~~ Save: $260.95 (53%)

^$234

+ wishlist

In Stock

DESCRIPTION

A Sherwood Oasis Pro Regulator with moisture retention vanes, easy-breathing design, and environmentally sealed first stage.

Aqualung Leg3nd Octopus

4 reviews

SKU: UDRLO

^$319

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced octopus with easy work-of-breathing, venturi switch, and nitrox compatibility.

Scubapro MK25 EVO/G260 Dive Regulator System

4 reviews

SKU: SCPM25EG26

^$1049

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with adjustable 2nd stage, 5 LP ports, and enhanced freezing resistance.

Atomic Aquatics B2 Sealed Regulator, DIN

3 reviews

SKU: ATMB2SDBK

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A DIN-type, environmentally sealed first stage regulator with swivel design and automatic flow control.

Zeagle F8 DIN Regulator

3 reviews

SKU: ZGLF8D

^$749.95

+ wishlist

In Stock

DESCRIPTION

A balanced diaphragm design DIN regulator with adjustable 2nd stage and environmentally sealed DIN type.

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Backup Regulators

In the world of scuba diving, safety and preparedness are paramount, and backup regulators—commonly known as octopus regulators or “octos”—play a crucial role in ensuring both. These secondary air sources, often distinguished by their bright yellow hoses and mouthpieces for high visibility, are designed to provide an immediate and reliable supply of air in the event of a primary regulator failure. Whether you’re diving in the brisk waters off the Pacific Northwest in January or exploring vibrant reefs in tropical climates, having a backup regulator is not just a recommendation but a core aspect of responsible dive planning. For divers who follow a DIR diving setup, redundancy and streamlined gear configuration are central principles, and the backup regulator is a non-negotiable part of that philosophy. This is especially true for technical divers using an lp50 scuba tank or similar doubles, where precise gas management and the ability to share air efficiently are essential. Even recreational divers, from those gearing up for their open water certification to seasoned explorers venturing into overhead environments, rely on the peace of mind that a quality backup regulator provides.

Choosing the right backup regulator involves considering several key factors, including ease of breathing, durability, and compatibility with your existing setup. Many divers appreciate lightweight, compact octopus regulators that minimize drag and don’t interfere with movement, particularly during winter months when thick wetsuits or drysuits add bulk. A good backup regulator should deliver smooth, dependable performance even in cold water, where regulator freezing can be a concern. It’s wise to look for models with user-friendly purge buttons and robust mouthpieces that can be easily located and deployed by a dive buddy in an emergency. If you’re assembling a gift for a new diver, a backup regulator is an invaluable addition—one that demonstrates a commitment to their safety and growth in the sport. Experienced divers may also appreciate the opportunity to upgrade their octopus, especially if they’ve recently read an aqualung titan regulator review and are inspired to enhance their own gear. The backup regulator is more than a piece of equipment; it’s a lifeline that fosters trust among dive buddies and enables safe, controlled ascents in unexpected situations.

For those building or refining their scuba kit, it’s important to ensure that the backup regulator is properly configured and maintained alongside the rest of your gear. Annual servicing, correct hose routing, and secure attachment points—often using a brightly colored clip or necklace—are all part of keeping this vital component ready for action. If you’re exploring advanced configurations or want to see how backup regulators fit into different systems, our Configured Regulators page offers a comprehensive look at fully assembled setups tailored for various diving styles. Whether you’re preparing for a winter dive trip, outfitting a loved one for their next underwater adventure, or simply refreshing your knowledge of safe diving practices, investing in a reliable backup regulator is a decision that pays dividends in confidence and security every time you enter the water.