Yuhsin A20 – Traditional Downstream 2nd Stage Regulator

Regular price
£134.00
Sale price
£134.00
Regular price
£134.00
Color: Black
Details

Yuhsin A20 – Traditional Downstream 2nd Stage Regulator

Reliable, Simple, and Built for Everyday Diving

The Yuhsin A20 is a dependable, no-nonsense second stage regulator designed for divers who want solid performance without unnecessary complexity. Whether used as an octopus, backup, or part of a basic rental setup, the A20 delivers consistent airflow and ease of use at an accessible price point.


Key Features

  • Traditional Downstream Design
    Proven, reliable regulator configuration known for simplicity and durability.
  • Dive / Pre-Dive Venturi Lever
    Helps prevent free-flow on the surface while optimizing airflow during the dive.
  • Nitrox Compatible
    Suitable for use with enriched air (within standard recreational limits).
  • Stable Breathing Performance

    • Cracking Effort: 1.1 CIW
    • Work of Breathing (WOB): 1.5 J/L

    Balanced for dependable, predictable breathing across a range of conditions.


Lightweight & Durable Construction

  • Advanced Composite Materials (ACM) Chamber
    Reduces weight while maintaining strength and corrosion resistance.
  • Compact Size
    • Diameter: 2 inches
    • Weight: 150g

Ideal for streamlined setups and minimizing bulk.


Designed for Versatility

The A20 is purpose-built as a cost-effective, multi-role regulator, making it a smart choice for:

  • Octopus / Alternate Air Source
  • Dive Centre Rental Gear
  • Pony Bottle Setup
  • Bailout Regulator

Its straightforward design ensures easy maintenance and dependable operation—perfect for both individual divers and high-use environments.


Why Choose the A20?

If you need a regulator that simply works—reliably, consistently, and without fuss—the A20 is exactly that. It’s not about premium extras; it’s about practical performance you can trust when it matters.

 

Technical Specifications

Connections 9/16"
Type of first stage n/a
Body Type Composite
Number of HP ports n/a
Number of MP ports 1
Environmental Dry Kit n/a
First stage exterior n/a
Orientation right-handed
Coldwater Use Yes
Type of second stage un-balanced
Opening Effort Control Knob no
Integrated Venturi Lever Yes
Mouthpiece yes
Exhaust tee standard
Heat Exchanger for freezing resistance no
Hose type 9/16 LP
Nitrox compatible Yes to 40% O2 when new, out of the box