Dive Relief Valves

Cressi Start BCD

95 reviews

SKU: CSBSXS

~~$339.95~~ Save: $70 (21%)

^$269.95

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In Stock

DESCRIPTION

A sturdy Cressi Start BCD with adjustable straps, cargo pockets, and a padded backpack.

Pros

Adjustable and comfortable fit
Good value for the price
Suitable for beginners
Durable construction
Plenty of storage pockets

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

12 reviews

SKU: XSSVP34

^$86

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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

~~$799.80~~ Save: $149.85 (19%)

^$649.95

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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

^$100

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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

^$449.95

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In Stock

DESCRIPTION

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

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

^$86

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In Stock

DESCRIPTION

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

OMS Complete Overpressure Relief (O.P.R.) Valve

1 reviews

SKU: OMSBCA509

^$16

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In Stock

DESCRIPTION

A durable and easy-to-use O.P.R. valve that helps relieve pressure and trim buoyancy.

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

1 reviews

SKU: XSSVP30

^$86

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In Stock

DESCRIPTION

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

Blue Steel Inline Re-Breather Valve

1 reviews

SKU: FBRRVB

^$79.95

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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 Modular Pro Valve

1 reviews

SKU: XSSMPV34R

^$105.95

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In Stock

DESCRIPTION

A modular pro valve with a unique design for single or double cylinder set ups.

XS Scuba Deluxe Over Pressure Valve

SKU: XSSDOPV

^$48

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In Stock

DESCRIPTION

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

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.

XS Scuba Over Pressure Valve (OPV) Complete Assembly

1 reviews

SKU: XSSOPCA2

^$13

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In Stock

DESCRIPTION

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

Thermo by XS Scuba DIN Valve for HP Steel Cylinders 3442 PSI

SKU: XSSVD34

^$96

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In Stock

DESCRIPTION

A high-pressure steel cylinder DIN valve with a Teflon-coated HP seat and chromed valve stem.

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 Standard Over-Pressure Valve

SKU: XSSSOPV

^$18

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In Stock

DESCRIPTION

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

XS Scuba Pro Valve with 1/2" NPT Threads

SKU: XSSPVN

^$115

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In Stock

DESCRIPTION

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

Interspiro Octopus Breathing Valve with Holder Open Box

SKU: INSOBVHOB

~~$762~~ Save: $113 (15%)

^$649

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In Stock

DESCRIPTION

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

Catalina 80 Cubic Foot Aluminum Tank with Pro Valve

151 reviews

SKU: AQUTA8BK

^$299.95

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In Stock

DESCRIPTION

A 80 cubic foot aluminum tank with a pro valve that won't rust, has great buoyancy, and a high flow capacity valve.

Pros

Well-made and durable
Good customer service
Variety of color options
Great price and value
Fast delivery time

TUSA Liberator Sigma II BCD, Black

43 reviews

SKU: TBTJ01LRBK

~~$389~~ Save: $89.05 (23%)

^$299.95

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In Stock

DESCRIPTION

A black jacket-style BCD with adjustable straps, weight load system, and O.P.E.V. quick inflate/deflate system.

Pros

Secure weight system
Durable construction
Large storage pockets
Good value for price
Comfortable fit

Dive Alert Deluxe Surface Marker Buoy

17 reviews

SKU: AQUDADSMB

^$64.95

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In Stock

DESCRIPTION

A highly visible surface marker buoy with an over-pressure valve and 400 Denier polyurethane coated nylon material.

Tusa SS-0002 Duo Air II Alternate Combo Inflator

10 reviews

SKU: TBTSS02

^$265

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In Stock

DESCRIPTION

A combination octopus regulator/power inflator with an air balanced power inflator valve and classic downstream regulator valve.

Blue Reef Cross-Over Equalizer

6 reviews

SKU: AQUTCED

~~$169.95~~ Save: $55.00 (32%)

^$114.95

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In Stock

DESCRIPTION

A blue tank accessory with chrome plated brass fittings that maximizes air availability and is equipped with bleeder valves.

XS Scuba Deluxe K Valve

4 reviews

SKU: XSSDKV

^$92

+ wishlist

In Stock

DESCRIPTION

A chrome plated brass valve stem with a color coded safety hand wheel for easy grip.

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Dive Relief Valves

As any seasoned diver knows, the smallest components of your gear can make the biggest difference in both comfort and safety underwater. Dive relief valves, though often overlooked by beginners, are essential for those who spend extended periods in drysuits, particularly in cold or temperate waters. These valves are designed to offer a discreet and hygienic solution for managing bodily needs during long dives, technical explorations, and commercial operations. Imagine embarking on a deep wreck dive or a lengthy cave exploration where surfacing is not an option—relief valves provide the freedom to remain focused on your dive rather than your discomfort. They are especially valued by technical divers, scientific researchers, and underwater photographers who may be submerged for hours at a time. Even recreational divers venturing into colder waters during late summer or early fall, when dive times tend to stretch out, can appreciate the convenience and peace of mind these devices offer.

Choosing the right dive relief valve involves considering the type of diving you do, the fit and compatibility with your drysuit, and your personal preferences for installation and maintenance. Some valves are designed for easy self-installation, while others may require professional fitting to ensure a watertight seal and optimal function. Durability and ease of cleaning are also important factors, as these valves must withstand repeated use and exposure to saltwater. For those new to drysuit diving, it’s worth seeking advice from experienced divers or instructors who can share firsthand insights—many recall the awkwardness of their first long dive without a relief valve, and the immediate improvement in comfort once they made the switch. Relief valves can also make thoughtful gifts for the dedicated diver in your life, especially as the diving season peaks and more enthusiasts plan ambitious underwater adventures. They serve as a practical upgrade that demonstrates an understanding of the unique challenges that come with advanced diving, and they are often appreciated far more than more obvious gear choices.

Beyond comfort, dive relief valves are part of a broader system of air and fluid management that includes inflator and exhaust valves, as well as other accessories that help regulate your environment inside the suit. As you refine your setup, you may want to explore related gear like Diving Air Control Valves to further customize your experience for different conditions and dive profiles. Whether you’re preparing for a series of long technical dives, supporting a scientific expedition, or simply looking to maximize your enjoyment during late summer dives, investing in a high-quality relief valve is a step toward greater self-sufficiency and comfort underwater. The right equipment allows you to focus on the wonders of the underwater world, confident that your gear will support you through every moment of your adventure.

Top Picks For Dive Relief Valves