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Metalsub

Metalsub Thunder Nitrox M26 1st stage regulator

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Features of Metalsub Thunder Nitrox M26

Product description of Metalsub Thunder Nitrox M26 1st stage regulator

Description summary

Dive with confidence using the METALSUB Thunder Nitrox M26 1st Stage. Engineered for precision, its high-performance balanced diaphragm delivers a consistently smooth and effortless gas supply, regardless of depth or tank pressure. Purpose-built for nitrox with a dedicated M26 connection for enhanced safety, it eliminates equipment mismatches. The environmentally sealed design offers superior cold-water capability, preventing freezing and ensuring flawless operation in any condition. Its 4 LP and 1 HP ports allow for a streamlined, comfortable gear configuration

Regulators - Regulators 1st stage.

METALSUB Thunder Nitrox M26 1st Stage Regulator.

First stage thunder for nitrox and air diving, m26.

Experience unparalleled reliability and breathing performance with the METALSUB Thunder Nitrox M26 1st Stage Regulator. Engineered for the discerning diver who demands precision and safety, this first stage is the heart of a high-performance life support system. Whether you´re exploring deep wrecks or vibrant reefs, the Thunder delivers a consistent and effortless supply of gas, allowing you to focus on the beauty of your underwater adventure. Its robust design is built to withstand the rigors of frequent diving in a variety of environments, from warm tropical waters to more challenging cold-water conditions.

The Thunder is specifically configured for enriched air nitrox diving, featuring the dedicated M26x2 connection for enhanced safety. This ensures you can only connect it to nitrox-compatible cylinders and second stages, eliminating the risk of dangerous equipment mismatches. At its core, a high-performance balanced diaphragm design provides exceptional stability. This technology ensures that your breathing effort remains consistently low and smooth, regardless of your depth or the remaining pressure in your tank. This means you get the same great performance at the beginning of your dive as you do at the end.

Key Benefits:

* Effortless Breathing Performance: The advanced balanced diaphragm mechanism delivers a high flow rate of gas with minimal inhalation effort, reducing fatigue and improving overall dive comfort, even at greater depths.
* Enhanced Safety for Nitrox Diving: Equipped with a dedicated M26x2 thread, this regulator is purpose-built for enriched air nitrox use, preventing accidental connection to standard air cylinders and promoting safer diving practices.
* Superior Cold Water Capability: An environmentally sealed system isolates the internal mechanism from direct contact with water. This prevents ice from forming in extreme cold and protects critical components from salt, sediment, and other contaminants, ensuring flawless operation and increasing service life.
* Versatile Hose Configuration: With an optimal layout of 4 Low Pressure (LP) ports and 1 High Pressure (HP) port, the Thunder allows for streamlined and comfortable hose routing for your primary second stage, octopus, pressure gauge, and BCD or drysuit inflators.

Main Features:

* High-performance balanced diaphragm design for consistent gas flow.
* Environmentally sealed to prevent internal contamination and freezing.
* Specifically designed for Nitrox and Air diving applications.
* Optimal port placement for flexible and organized gear setup.

Technical Specifications:

* Regulator Type: Balanced Diaphragm 1st Stage
* Connection: M26x2 (Nitrox)
* High Pressure Ports (HP): 1
* Low Pressure Ports (LP): 4
* Primary Use: Scuba Diving, Technical Diving
* Maximum Working Pressure: Suitable for 232 bar cylinders

Specifications

Manual

Technical specifications of Metalsub Thunder Nitrox M26

Features of Metalsub Thunder Nitrox M26

Type of Connection M26x2

Type of Connection

M26x2

Color Black

Color

Black

Recommended Use Diving

Recommended Use

Diving

LP Number of Outputs 4 LP

LP Number of Outputs

4 LP

HP Number of Outputs 1 HP

HP Number of Outputs

1 HP

Key differentiators

DIN-type mounting compatible with 232 bar cylinders.

Environmentally sealed system provides superior cold-water capability and protects internal parts.

Features a high-performance balanced diaphragm design for consistent, effortless breathing.

Purpose-built for nitrox diving with a dedicated M26x2 connection for enhanced safety.

Versatile hose configuration with 4 low-pressure and 1 high-pressure port.

Technology in Metalsub Thunder Nitrox M26 1st stage regulator

Energy rating

Warnings

5 / 5

5 Reviews

What our customers are saying about Metalsub Thunder Nitrox M26 1st stage regulator

This high-quality DIN first stage regulator offers excellent value and performance. Praised for its solid build quality that exceeds expectations, it works reliably for decompression tanks and has been tested at depths of 21 meters. An affordable, high-performance choice for divers. Note the DIN-type fitting for compatibility

Metalsub Thunder Nitrox M26 1st stage regulator

Metalsub thunder nitrox m26

2025/02/02

Carlo

I use it for my decompression tank and tried it at 21 meters, It works well and is a good price.

Metalsub Thunder Nitrox M26 1st stage regulator

1st floor m26

2024/05/06

patrice

Very well in line with my expectations

Metalsub Thunder Nitrox M26 1st stage regulator

Metalsub first stage nitrox

2023/08/23

Fabrizio spizzichino

Excellent product / excellent value for money

Metalsub Thunder Nitrox M26 1st stage regulator

Excellent product!

2022/11/23

JOSÉ N.

Very good quality, better than I expected!

Metalsub Thunder Nitrox M26 1st stage regulator

The size was different bitween eu and asia

2022/05/12

Sangcheol.na

a diver who enjoys diving in Asia. I bought the first stage from Divein this time, but I had a hard time confirming that the size of the Dean type is different from that normally used in our region. I would like to be able to give more accurate information to the buyer.

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Include AI Generated questions and answers

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

What are the main features of the Metalsub Thunder Nitrox M26 1st Stage Regulator?

Answer of Generated by AI and verified

The Metalsub Thunder Nitrox M26 1st Stage is a high-performance regulator featuring a balanced diaphragm design for consistent gas supply. It is specifically designed for nitrox with a dedicated M26x2 connection, is environmentally sealed for excellent cold-water performance, and has a DIN-type fitting.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

What type of connection does this regulator use?

Answer of Generated by AI and verified

This regulator uses a DIN mounting type and features a dedicated M26x2 connection, which is specifically designed for use with enriched air nitrox to enhance safety by preventing equipment mismatches.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

What makes the Metalsub Thunder Nitrox M26 1st Stage Regulator a good investment for divers?

Answer of Generated by AI and verified

The Metalsub Thunder Nitrox M26 1st Stage Regulator offers a high-performance balanced diaphragm design, ensuring a smooth and effortless gas supply. Its environmentally sealed system enhances safety and reliability, making it a valuable choice for divers.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

Is the Metalsub Thunder regulator suitable for cold water diving?

Answer of Generated by AI and verified

Yes, this regulator is designed for cold water use. It features an environmental seal that helps prevent freezing and protects internal components, ensuring reliable performance in cold conditions.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

What is the design of this first stage regulator?

Answer of Generated by AI and verified

This is a balanced diaphragm first stage regulator. This design provides a consistently smooth and effortless gas supply, regardless of depth or tank pressure.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

How many ports does the Metalsub Thunder M26 have?

Answer of Generated by AI and verified

This first stage regulator has a total of five ports. It includes four low-pressure (LP) ports and one high-pressure (HP) port, allowing for flexible hose configuration.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

What is the maximum working pressure for this regulator?

Answer of Generated by AI and verified

The maximum working pressure for this regulator is 232 bar.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

How much does this regulator weigh?

Answer of Generated by AI and verified

The Metalsub Thunder Nitrox M26 1st Stage Regulator weighs 640 grams.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

What type of diving is this regulator intended for?

Answer of Generated by AI and verified

This regulator is suitable for both general scuba diving and technical diving. Its robust features, including nitrox compatibility and cold-water performance, support a range of diving activities.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

Is this regulator compatible with nitrox?

Answer of Generated by AI and verified

Yes, the Metalsub Thunder is purpose-built for use with enriched air nitrox. It features a dedicated M26x2 connection to ensure it is only used with nitrox-compatible cylinders and second stages for enhanced safety.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

What type of tank valve is this regulator compatible with?

Answer of Generated by AI and verified

This regulator features a DIN-type fitting, making it compatible with scuba tanks that have DIN valves.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Metalsub Thunder Nitrox M26 1st stage regulator

How does the Metalsub Thunder Nitrox M26 compare to the Beuchat Vr300 Int Diving Regulator Set?

Answer of Generated by AI and verified

The Metalsub Thunder Nitrox M26 features a balanced diaphragm design and is specifically configured for nitrox use with an M26x2 connection, offering enhanced safety. In contrast, specific features of the Beuchat Vr300 Int Diving Regulator Set are not detailed.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Cold Water Diving 90% Fit

This regulator is an excellent choice for diving in cold water environments. Its environmentally sealed design prevents internal components from freezing, ensuring reliable performance and consistent airflow in low temperatures.

Environmentally sealed diaphragm,Cold water compatible,DIN mounting

Enriched Air Nitrox (EANx) Diving 90% Fit

This first stage is specifically designed for use with enriched air nitrox. The dedicated M26x2 connection provides an added layer of safety by preventing accidental use with standard air cylinders, making it ideal for certified nitrox divers.

Dedicated M26x2 Nitrox connection,Balanced diaphragm design

Technical Diving 80% Fit

With its balanced diaphragm design, cold water capability, and multiple ports for flexible hose routing, this regulator is a good foundation for technical diving configurations. It provides the reliable, high-performance gas delivery needed for more demanding dives.

Balanced diaphragm design,5 ports (4 LP, 1 HP),Cold water compatible,DIN mounting

Recreational Scuba Diving 75% Fit

This is a reliable and robust first stage for recreational divers, especially those who dive in various conditions or use nitrox. The pneumatically balanced design ensures smooth, easy breathing at different depths and tank pressures, enhancing overall dive comfort.

Pneumatically balanced design,Environmentally sealed,DIN mounting

Best for

Ideal for Cold Water Diving

The environmentally sealed design prevents internal components from freezing, ensuring consistent and reliable performance in cold water conditions.

Cold water compatible: yes, Environmental seal: yes

Best for Nitrox Divers

This regulator features a dedicated M26x2 connection specifically for nitrox use, enhancing safety by preventing accidental use with standard air systems.

Connection: M26x2 (Nitrox), Nitrox certification: Dedicated M26x2 thread for enriched air nitrox use

Excellent for Budget-Conscious Divers

With its solid build quality and accessible price point, this regulator provides dependable performance and durability without a premium investment.

Great for Casual Weekend Diving

The balanced diaphragm design ensures smooth, effortless breathing at various depths, enhancing overall dive enjoyment and reliability for casual use.

First stage design: balanced diaphragm, Primary use: Scuba Diving

Benefits

FunctionalDive Confidently in Cold Conditions

This regulator is designed for reliable performance even in cold water. Its environmentally sealed system helps prevent internal components from freezing, ensuring consistent function during your dives.

Environmental seal: yes

Cold water compatible: yes

FunctionalPeace of Mind with Dedicated Nitrox Connection

Enjoy greater peace of mind on your dives thanks to the dedicated M26x2 connection for enriched air nitrox. This specific threading helps prevent accidental use with standard air tanks, enhancing overall safety.

Connection: M26x2 (Nitrox)

Nitrox certification: Dedicated M26x2 thread for enriched air nitrox use

FunctionalSmooth and Effortless Airflow

Experience smooth, consistent airflow at various depths with the balanced diaphragm design. This pneumatically balanced first stage provides reliable performance throughout your dive.

First stage design: balanced diaphragm

FunctionalFlexible Setup for Your Dive Gear

Customize your gear setup with ease. This regulator features a total of five ports, including four low-pressure and one high-pressure port, allowing for flexible hose routing to accommodate your specific diving needs.

Number of ports: 5

Low pressure ports: 4

High pressure ports: 1

FunctionalEquipped for Your Next Diving Challenge

This regulator is suitable for both scuba and technical diving, supporting your progression in the sport. Its DIN mounting type and robust design make it a reliable choice as you advance your skills and explore new underwater environments.

Primary use: Scuba Diving

Technical Diving

Mounting type: DIN

Ideal buyer profiles

The Technical Diving Adventurer

This diver explores challenging underwater environments, often in cold water, and requires gear that is both reliable and versatile. They prioritize flawless performance, safety, and compatibility with technical configurations like enriched air nitrox.

The Metalsub Thunder is an excellent match due to its environmentally sealed, balanced diaphragm design, which ensures consistent performance in cold water. Its dedicated M26x2 connection for nitrox and five-port configuration (4 LP, 1 HP) provide the safety and flexibility needed for technical diving setups.

The Premium Diving Enthusiast

This diver invests in high-quality, durable equipment that enhances their overall diving experience. They value smooth, effortless breathing and robust construction that promises longevity, ensuring every dive is comfortable and secure.

This regulator's pneumatically balanced diaphragm delivers consistently smooth breathing regardless of depth or tank pressure. The environmental seal protects internal components from contaminants and freezing, contributing to its durability and ensuring a high-quality, enjoyable dive every time.

The Casual Weekend Diver

This individual enjoys recreational scuba diving on weekends and holidays, typically in moderate conditions. They seek reliable, easy-to-use equipment that provides a high degree of safety and comfort without requiring extensive technical knowledge.

With its balanced diaphragm design, this regulator offers a reliable and effortless breathing experience, boosting confidence underwater. The dedicated nitrox connection enhances safety by preventing equipment mismatches, making it a secure and dependable choice for recreational dives.

Competitive features

When evaluating the Metalsub Thunder Nitrox M26 1st Stage Regulator, it's essential to understand its specific role. Unlike the other products in this comparison, which are complete regulator sets, this is a standalone first stage. This distinction is key, as it's designed for divers building a custom setup or replacing a specific component, particularly for use with nitrox.

Where it excels

The Metalsub Thunder Nitrox M26 is purpose-built for nitrox diving, featuring a dedicated M26 connection for enhanced safety and to prevent equipment mismatches. It features a high-performance balanced diaphragm and an environmentally sealed design, ensuring a smooth, reliable gas supply and excellent cold-water capability. As a standalone first stage, it offers a significant cost advantage for divers who only need this specific component, rather than a full regulator set.

Consider alternatives if...

If you are looking for a complete, ready-to-dive regulator system, the other options in this comparison, such as the Metalsub Thunder Din Diving Regulator Set or the Beuchat 1dive Din Diving Regulator Set, are more suitable as they include both first and second stages.

Verdict

The Metalsub Thunder Nitrox M26 1st Stage Regulator is a high-value, specialized component for divers who use nitrox and are building or upgrading their own regulator configuration. Its balanced, environmentally sealed design provides reliable performance, especially in cold water. While it's not a complete set like the alternatives, it excels in its specific role as a dedicated nitrox first stage, offering solid build quality and performance at an accessible price point for the component.

Specs comparison

Specs vs competitors

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Cold Water CompatibleYesYesYesYes
Environmental SealYes--Yes
First Stage TypediaphragmdiaphragmPistonMk2 Evo
High Pressure Ports1.0 bar2.0 bar1 HP1 HP
Low Pressure Ports4.0 bar4.0 bar2 LP4 LP
Maximum Depth21-50 ftnot specified
Number Of Ports5-35
Mounting TypeDIN--standard
First Stage Designbalanced diaphragmoverbalancedunbalanced pistonbalanced piston
Balancingbalancedbalancedpneumatically balancedBalanced
ConnectionM26x2 (Nitrox)INT / YokeDINInt232
Nitrox CertificationDedicated M26x2 thread for enriched air nitrox use-Yes-
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