Dive Relief Valves

Cressi Start BCD

95 reviews

SKU: CSBSLR

~~$269.95~~ Save: $20 (7%)

^$249.95

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In Stock

DESCRIPTION

A durable Cressi Start BCD with adjustable straps, cargo pockets, and easy donning/doffing.

Pros

Durable construction
Affordable price
Ample pockets
Ease of use
Good fit

XS Scuba PVD Pro Valve

13 reviews

SKU: XSSPVDPVX

~~$138~~ Save: $33.05 (24%)

^$104.95

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In Stock

DESCRIPTION

A durable and scratch-resistant valve with color-coded safety hand wheel and O-ring sealed bonnets.

Thermo by XS Scuba Din/Yoke Valve Pro 3442 psi(230 bar) EANX

12 reviews

SKU: XSSVP34

^$88

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In Stock

DESCRIPTION

A durable and versatile Thermo valve that converts to a 230-Bar DIN outlet for pre-blended Nitrox.

Cressi Solid Scuba Package

12 reviews

SKU: CSBSLPCKXL

~~$924.80~~ Save: $324.85 (35%)

^$599.95

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In Stock

DESCRIPTION

A durable scuba package with a jacket-style BCD, rigid backpack, and high-quality valves.

XS Scuba Pro Valve

9 reviews

SKU: XSSPVAC

~~$110~~ Save: $20.05 (18%)

^$89.95

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In Stock

DESCRIPTION

A precision-machined, nitrox-ready valve made of marine-grade brass with chrome plating and Teflon-coated seats.

Cressi Patrol BCD

9 reviews

SKU: CSBPALR

^$499.95

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In Stock

DESCRIPTION

A lightweight and durable Cressi Patrol BCD with high lift capacity and integrated weight pockets.

Blue Steel Pro DIN/Yoke Valve

5 reviews

SKU: FBRPV10111

~~$59.95~~ Save: $15 (25%)

^$44.95

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In Stock

DESCRIPTION

A durable and versatile Blue Steel Pro DIN/Yoke Valve with high flow characteristics and easy conversion.

Genesis Pro DIN/Yoke Valve

4 reviews

SKU: GNSKV

^$90

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In Stock

DESCRIPTION

A durable chrome-plated brass valve offering DIN/yoke compatibility, high flow, and robust safety features.

Hollis Over Pressure (OP) Pull Dump Valve

3 reviews

SKU: HLSOPV

^$26.95

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In Stock

DESCRIPTION

A durable polycarbonate OP pull dump valve for trimming buoyancy and automatically relieving pressure.

Thermo by XS Scuba Din/Yoke Valve Pro 3300 PSI EANX0

1 reviews

SKU: XSSVP33

^$88

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In Stock

DESCRIPTION

A durable and versatile Thermo valve with Teflon coating, suitable for yoke and DIN regulators.

Thermo by XS Scuba Din/Yoke Valve Pro 3000 PSI EANX

1 reviews

SKU: XSSVP30

^$88

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In Stock

DESCRIPTION

A durable Thermo valve for yoke and DIN regulators with Teflon coating and chromed stem.

XS Scuba Modular Pro Valve

1 reviews

SKU: XSSMPV34L

^$121.95

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In Stock

DESCRIPTION

A modular valve for single or double cylinder setups with durable brass stems and O-ring sealed bonnets.

Blue Steel Inline Re-Breather Valve

1 reviews

SKU: FBRRVB

~~$84.95~~ Save: $25 (29%)

^$59.95

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In Stock

DESCRIPTION

A low profile, blue inline re-breather valve with easy hand wheel access and a built-in "Bump Guard" for added safety.

XS Scuba Standard Over-Pressure Valve

SKU: XSSSOPV

^$22

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In Stock

DESCRIPTION

A compact relief valve with chromed brass construction and stainless steel internal spring.

Hollis Over-Pressure Relief Valve for First Stage

SKU: HLSOPFS

^$26.95

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In Stock

DESCRIPTION

A compact relief valve for first stage regulators that releases excess pressure and protects components.

XS Scuba Over Pressure Valve (OPV) Complete Assembly

1 reviews

SKU: XSSOPCA2

^$15

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In Stock

DESCRIPTION

A corrosion-resistant over pressure valve for lift bags and BCDs, preventing rupture and ensuring safety.

Interspiro Octopus Breathing Valve with Holder Open Box

SKU: INSOBVHOB

~~$821~~ Save: $82 (10%)

^$739

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In Stock

DESCRIPTION

A high-performance, cold water-certified octopus valve with holder, engineered for reliability and low breathing resistance.

Hollis Inflator System w/Rapid Exhaust Valve and Hose

SKU: HLSISRE

^$136.95

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In Stock

DESCRIPTION

A Hollis Inflator System with Rapid Exhaust Valve and Hose, designed for Hollis BCD's & Wings, available in 3 lengths.

Cressi Solid Discovery Scuba PD2 Package

SKU: CSBSLD2XLK2

~~$1019.86~~ Save: $389.91 (38%)

^$629.95

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In Stock

DESCRIPTION

A comprehensive scuba package featuring a durable black Cordura BCD, brass regulator, and color-coded gauge console.

XS Scuba Pro Valve with 1/2" NPT Threads

SKU: XSSPVN

^$127

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In Stock

DESCRIPTION

A durable brass valve with removable DIN insert and color-coded safety hand wheel.

Dive Rite Low-Profile Balanced Relief Valve

SKU: DIVEX2777

^$165

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In Stock

DESCRIPTION

A durable, low-profile Delrin relief valve with balanced, leak-resistant design for streamlined drysuit diving comfort.

Dive Rite Relief Valve Rebuild Kit

SKU: DIVEX2774

^$13

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In Stock

DESCRIPTION

A comprehensive rebuild kit designed for maintaining and repairing scuba relief valves.

Cressi Solid BCD

SKU: CSBSLD2XL

~~$329.95~~ Save: $105 (32%)

^$224.95

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In Stock

DESCRIPTION

A durable jacket-style BCD in rugged 500D Cordura with multiple D-rings, zippered pockets, and adjustable straps.

XS Scuba Deluxe Over Pressure Valve

SKU: XSSDOPV

^$59

+ wishlist

In Stock

DESCRIPTION

A compact relief valve with a Delrin cap to protect adjustment point and Viton o-rings.

Cressi Solid Discovery Scuba SPG Package

SKU: CSBSLD2XSK

~~$934.80~~ Save: $369.85 (40%)

^$564.95

+ wishlist

In Stock

DESCRIPTION

A durable scuba package featuring a black 500D Cordura BCD, chromed brass regulator, and compact pressure gauge.

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Dive Relief Valves

Whether you’re gearing up for a technical cave dive, planning a series of extended cold-water explorations, or simply want to ensure your equipment is as safe and comfortable as possible, understanding the role of dive relief valves is essential. These specialized components serve two main purposes in the world of scuba: facilitating personal comfort during long dives and protecting your gear from overpressure scenarios. For those using drysuits, especially in colder waters or on dives that stretch for hours, a drysuit relief valve—often called a P-valve—can make all the difference. This ingenious system allows divers to stay properly hydrated without the worry of discomfort or interruptions, enabling hands-free urination through a discreet, one-way valve that prevents leaks or backflow. Many technical divers recall the first time they used a P-valve on a marathon cave dive, marveling at the newfound freedom and focus it brought. Proper hydration isn’t just about comfort; it’s a critical factor in reducing the risk of decompression sickness, and a relief valve helps you maintain that balance without compromise. As the weather warms and dive trips become more frequent, these valves offer peace of mind for those long days underwater, whether you’re exploring shipwrecks, photographing marine life, or guiding students through advanced training.

On the equipment protection front, over-pressure relief valves (OPVs) are a key safety feature for certain regulator setups and independent gas cylinders, such as those used for drysuit inflation. While recreational divers may not encounter OPVs often, anyone assembling custom rigs for technical, sidemount, or rebreather diving will recognize their value. These spring-loaded, precisely calibrated valves act as a safety net, venting excess gas if the first stage regulator malfunctions and prevents dangerous hose ruptures or equipment failures. The audible hiss of an OPV releasing pressure is a clear signal to check your gear, and it’s a safeguard that experienced divers appreciate, especially when using specialized inflation bottles or redundant air sources. Selecting the right relief valve means considering the type of diving you do, the configuration of your equipment, and the environments you’ll be exploring. For drysuit users, factors such as valve balance, ease of cleaning, and installation compatibility are paramount. For OPV users, the pressure rating and reliability of the valve can be the difference between a minor inconvenience and a dive-ending incident. These components are also thoughtful gifts for the dedicated diver in your life, particularly those advancing into technical or cold-water diving, where comfort and safety become even more critical.

As you prepare for a season of underwater adventure, whether you’re embarking on challenging expeditions or enjoying leisurely dives with friends, investing in quality relief valves can enhance both your safety and enjoyment. Regular maintenance and proper cleaning—especially for P-valves—are essential to prevent infections and keep your gear performing at its best. Many divers share stories of how a well-chosen relief valve transformed their experience, letting them focus on the thrill of discovery rather than the distractions of discomfort or equipment concerns. For those interested in exploring the nuances of valve designs, including the advantages of balanced options that equalize pressure and minimize leaks, our dedicated guide to Diving Balanced Valves offers in-depth insights. Whether you’re outfitting yourself for the first time, upgrading your current setup, or searching for the perfect gift for a fellow diver, understanding and selecting the right dive relief valve is a step toward safer, more enjoyable underwater experiences all season long.