Si Tech Valves

Catalina Pony Bottle Tanks with Pro Valve

70 reviews

SKU: AQUTP13BR

^$174.95

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In Stock

DESCRIPTION

A reliable and versatile pony bottle tank with a high flow capacity valve and aluminum alloy design.

Pros

Reliable backup air supply
Minimal effect on buoyancy and trim
Good air capacity
Affordable price
Versatile for different diving scenarios

XS Scuba Faber High Pressure Steel Tank

50 reviews

SKU: FBRHP100G

^$519.95

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In Stock

DESCRIPTION

A versatile high-pressure steel tank with buoyancy advantages, Nitrox ready up to 40%.

Pros

High gas capacity
Good value for the price
Excellent tank and valve setup
Fast delivery and great condition
Improved buoyancy characteristics

XS Scuba PVD Pro Valve

13 reviews

SKU: XSSPVDPVX

^$125

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In Stock

DESCRIPTION

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

XS Scuba Pro Valve

9 reviews

SKU: XSSPVXS

^$100

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In Stock

DESCRIPTION

A precision machined, marine grade brass valve with chrome plating and O-ring sealed bonnets. Nitrox ready up to 40%.

Waterproof Silicone Dry Suit Wrist Seals, Pair

5 reviews

SKU: WPGSDWSSMBL

^$84

+ wishlist

In Stock

DESCRIPTION

A pair of hypoallergenic silicone wrist seals for drysuits with UV and ozone resistance and interior glide coating.

Waterproof Silicone Dry Suit Neck Seal

2 reviews

SKU: WPGSDNSMDBK

^$120

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In Stock

DESCRIPTION

A hypoallergenic silicone dry suit neck seal with UV and ozone resistance and a bellows design.

Scubapro Evertech Dry Breathable Men's Drysuit

1 reviews

SKU: SCPEDBMXLS

~~$2585~~ Save: $585.03 (23%)

^$1999.97

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In Stock

DESCRIPTION

A breathable trilaminate drysuit with waterproof taped seams, Si-Tech ring seal system, and large cargo pockets.

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.

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.

Scubapro Definition HD Men's Drysuit

1 reviews

SKU: SCPDHDDMXLS

^$2899

+ wishlist

In Stock

DESCRIPTION

A durable men's drysuit with waterproof integrity, functional features, and essential accessories for comfortable and reliable diving.

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.

Scubapro Exodry Women's Drysuit

SKU: SCPEXOWNSM

^$1605

+ wishlist

In Stock

DESCRIPTION

A women's neoprene drysuit with 4mm high density neoprene seals, semi rigid dive boot, and anatomically shaped hood.

XS Scuba Deluxe Over Pressure Valve

SKU: XSSDOPV

^$48

+ wishlist

In Stock

DESCRIPTION

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

XS Scuba Pro Valve with 1/2" NPT Threads

SKU: XSSPVN

^$115

+ wishlist

In Stock

DESCRIPTION

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

Scubapro Everdry 4mm Dry Suit Women's

SKU: SCPEDR4WSM

^$1686

+ wishlist

In Stock

DESCRIPTION

A female-specific 4mm neoprene dry suit with a blue suspender system and rear metal zipper.

Waterproof Dry Suit Multi-Tool

SKU: WPGDSMT

^$32.50

+ wishlist

In Stock

DESCRIPTION

A must-have multi-tool for serious dry suit divers, designed to fix and replace seals and valves.

Thermo by XS Scuba Crossbar with Isolator

SKU: XSSTSCB

^$95.95

+ wishlist

In Stock

DESCRIPTION

A crossbar with isolator that connects modular valves, featuring double barrel o-ring seals and easy grip rubber hand wheel.

Faber High Pressure Steel Tank

72 reviews

SKU: FBRHP23BK

^$269.95

+ wishlist

In Stock

DESCRIPTION

A high-pressure steel tank that is Nitrox ready and easily converts between DIN/K type valves.

Pros

Perfect size
Durability
No leaks
Great diving characteristics
Versatility

Bare Drysuit Gloves

5 reviews

SKU: BREDGLR

^$179.95

+ wishlist

In Stock

DESCRIPTION

A dry glove system with docking rings and acrylic thermal liners to keep you warm while diving.

Catalina 63 Cubic Foot Aluminum Tank with Pro Valve

2 reviews

SKU: AQUTA63BK

~~$314.95~~ Save: $40 (13%)

^$274.95

+ wishlist

In Stock

DESCRIPTION

A 63 cubic foot aluminum tank with pro valve, featuring a rust-resistant design and high flow capacity valve.

Thermo Deluxe K Valve Service Kit

1 reviews

SKU: XSSVKTK

^$13

+ wishlist

In Stock

DESCRIPTION

A Thermo Deluxe K Valve Service Kit with new HP seat assembly and various o-rings and washers.

Thermo by XS Scuba Isolation DIN Manifold

1 reviews

SKU: XSSTPMD30

^$288.95

+ wishlist

In Stock

DESCRIPTION

A durable Thermo Isolation DIN Manifold with Teflon-coated HP seat and easy-grip rubber hand-wheel.

XS Scuba MiFlex Low Pressure XT-Tech Hose

SKU: XSSLPXTH40

^$63.95

+ wishlist

In Stock

DESCRIPTION

A durable low pressure hose for scuba diving with Kevlar reinforcement and oxygen compatibility.

Cressi Tao Dry Snorkel

SKU: CSBTDSTF

^$29.95

+ wishlist

In Stock

DESCRIPTION

A dry-top snorkel with a silicone mouthpiece, flexible bore, and quick-release attachment for adults.

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Si Tech Valves

When it comes to drysuit diving, the quality and reliability of your valves are as crucial as the fit of your suit or the performance of your regulator. Valves are the unsung heroes of any drysuit system, quietly managing airflow and maintaining comfort during every descent and ascent. Whether you’re exploring cold, emerald-green kelp forests off the Pacific Northwest, drifting along the vibrant reefs in the Mediterranean, or braving the chilly waters of a local quarry in early summer, a dependable valve system ensures you stay warm and dry, allowing you to focus on the wonders around you. The summer months often bring longer dive days and more ambitious excursions, making it even more important to trust the gear that regulates your suit’s internal environment. For many divers, a high-quality valve is not just a piece of equipment—it’s peace of mind, knowing that you can vent gas smoothly, prevent uncomfortable squeeze, and avoid the distraction of leaks or sticky operation.

Choosing the right valves involves considering several key factors tailored to your diving style and environment. For technical divers who spend extended time at depth or in overhead environments, precise control over buoyancy and suit inflation is non-negotiable. A well-designed valve system allows for subtle adjustments, which can make all the difference when maintaining trim in a cave system or during a decompression stop. Recreational divers, too, benefit from the intuitive operation and low-maintenance design of a reliable valve, especially during multi-dive days on liveaboards or coastal trips. Valves also make thoughtful gifts for the diver in your life—whether it’s a loved one upgrading their first drysuit, a dive buddy preparing for an expedition, or an instructor who spends countless hours in the water. The gift of comfort and safety is always appreciated, particularly as the dive season hits its stride and new adventures beckon. Many divers recall the first time they swapped out a sticky or outdated valve for a newer, more responsive model—the difference in comfort and confidence is immediate, often inspiring stories of longer, more enjoyable dives and a deeper appreciation for the subtleties of drysuit diving.

In addition to fit and performance, compatibility with your existing gear is a practical consideration. Most modern valves are designed to integrate seamlessly with a wide range of drysuit brands and models, but it’s always wise to double-check specifications and installation requirements. For those who like to tinker or customize their setups, the modular design of many valve systems allows for easy upgrades or replacements, ensuring your suit can evolve with your diving ambitions. Maintenance is straightforward—regular rinsing and occasional servicing keep valves operating smoothly season after season. Divers who venture into colder waters or take on challenging conditions often appreciate the added durability and ergonomic design features that make adjustments easy, even with thick gloves or in low visibility. If you’re exploring other valve options or want to compare features across different systems, you might also find it helpful to browse our curated selection of Scuba Pro Valves, which offer additional choices for discerning divers. Ultimately, investing in quality valves is an investment in every dive you take—each descent becomes a little more comfortable, each ascent a little more controlled, and every moment underwater that much more enjoyable.

Top Picks For Si Tech Valves