POSEIDON 0100-556 Jetstream Kit Scuba Diving Regulator MK3

( Brand: Poseidon ), ( Manufacturer Part Number: 0100-556 ), ( Part Type: Kit Regulator ), ( Unit Type: Unit ), ( Country/region Of Manufacture: Sweden )

Review POSEIDON Jetstream Mk3 Complete Kit Scuba Diving Regulator

The Poseidon 0100-556 Jetstream Mk3 Kit is a high-performance scuba diving regulator designed for those who demand the best in underwater breathing equipment. This regulator kit comes complete with everything you need to get started, including the first stage regulator, second stage regulator, hose, mouthpiece, and user manual.

The first stage regulator is a balanced diaphragm design, which delivers consistent and reliable performance in various diving conditions. It features a chrome plated brass body, 300 bar operating pressure, and a high flow rate of up to 6,000 liters per hour. The first stage also includes an integrated DIN to INT conversion kit, making it compatible with both DIN and INT tank valves.

The second stage regulator is a pneumatically-balanced Jetstream design, which ensures easy, effortless breathing even at depths of up to 330 feet (100 meters). It features a chrome plated brass body, a comfortable orthodontic mouthpiece, and a durable, flexible hose. The Jetstream design also includes a large, easy-to-grip purge button, which makes it easy to clear water from the second stage during surface swimming or snorkeling.

The hose included with the kit is a 32-inch (81 cm) long, low-pressure hose, made from a flexible and durable material. It is designed to be resistant to abrasion and kinking, ensuring reliable performance even in challenging diving conditions.

The Poseidon 0100-556 Jetstream Mk3 Kit is a high-quality, dependable regulator that is perfect for advanced and technical diving applications. Its balanced diaphragm first stage and Jetstream second stage design provide consistent and reliable breathing performance, even in the most demanding diving conditions. With its durable construction and ease of use, this regulator kit is an excellent choice for any serious scuba diver.

Pros and Cons of buying a Poseidon 0100-556 Jetstream Mk3 Kit Scuba Diving Regulator

The Poseidon 0100-556 Jetstream Mk3 Kit is a popular choice for scuba divers due to its advanced features and reliability. However, like any other piece of diving equipment, it comes with its own set of pros and cons. In this analysis, we will explore these factors to help you make an informed decision about purchasing this regulator.

1. Balanced Diaphragm Design: The Jetstream Mk3 Kit features a balanced diaphragm design, which ensures equal pressure is applied to both sides of the diaphragm during inhalation and exhalation, resulting in a smooth breathing experience.

2. Adjustable Venturi Lever: The adjustable venturi lever allows divers to fine-tune the regulator's performance based on their preference and diving conditions.

3. Dual Compressor First Stages: The inclusion of two first stages in the kit offers redundancy and flexibility, as divers can use either one or both depending on their needs.

4. Compact Size: The Jetstream Mk3 Kit's compact size makes it an excellent choice for travel and confined space diving.

5. Excellent Cold Water Performance: The regulator is known for its exceptional performance in cold water, making it a popular choice among cold water divers.

1. Higher Price Point: The Poseidon 0100-556 Jetstream Mk3 Kit comes with a higher price tag compared to some other entry-level regulators.

2. Requires Regular Maintenance: Balanced diaphragm regulators, in general, require more frequent maintenance than piston regulators.

3. Potential for Free-Flowing: Some users have reported experiencing free-flowing when using the regulator in certain conditions, which can be a concern for divers.

The Poseidon 0100-556 Jetstream Mk3 Kit Scuba Diving Regulator offers several advantages, including its balanced diaphragm design, adjustable venturi lever, dual compressor first stages, compact size, and excellent cold water performance. However, it also comes with some disadvantages, such as its higher price point, requirement for regular maintenance, and potential for free-flowing.

Based on this analysis, if you are a serious diver, especially one who frequently dives in cold water, the Poseidon 0100-556 Jetstream Mk3 Kit may be a worthwhile investment due to its advanced features and performance. However, if you are an entry-level diver or have a limited budget, you may want to consider other, more affordable options.

For recreational divers or those with a limited budget, consider entry-level piston regulator options, such as the Apeks XL30 or Mares Quad. These regulators offer reliable performance at a more affordable price point. However, for more experienced divers or those who prioritize advanced features and exceptional cold water performance, the Poseidon 0100-556 Jetstream Mk3 Kit is a solid choice.

Details:

Message with any questions. Of course please service it before use. Has served as a backup to my primary set. Good condition.

Comes with a SPG/depth/compass console as well.

part #: 0100556 prices

• $325.00-$425.00

specifications regulatoscub:

• brand: Poseidon
• mpn: 0100-556
• part type: Kit Regulator
• unit type: Unit
• country/region of manufacture: Sweden

returns regulatoscub:

• policy: No Returns

offer regulatoscub:

• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock
• best offers: True
• started: July 2, 2025

payments regulatoscub:

• other
• wallet: Google-pay
• credit card: Mastercard

general regulatoscub:

• Water Sports > Scuba Snorkeling > Regulators
• condition: Used

shipping regulatoscub:

• class: Standard
• carrier: UPS
• transit: 5-10 Days
• cost: $10.54
• type: Calculated
• service: UPS Ground

seller regulatoscub:

• city: Minneapolis, Minnesota
• rating: 100.0%
• # reviews: 81

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