Aqua Lung Legend Supreme First Stage is a part of the state-of-the-art -regulator series from Aqua Lung.

The performance of the first stage is beyond compare and it sports an amazing variety of features, including the patented Auto-Closure Device (ACD) which keeps water and contaminants out and helps prolong the lifetime of this product.

Aqua Lung Legend Supreme First Stage

Available 3 - 4 days

To receive on, order within
0 day(s)
0 hr(s)
0 min
0 sec
Choose Next Day Delivery at checkout (in stock items)

  • Features
    • Auto Closure Device (ACD) - keeps corrosive water out of the first stage inlet by automatically closing as the Legend is removed from the cylinder valve
      • This prevents internal lubrication from washing away
      • Safer for elevated percentages of oxygen
    • Unique over-balanced, diaphragm design results in superior performance at depth
    • 2 HP ports and 4 LP ports are angled for optimum hose routing
    • An environmental dry system keeps water out of the main spring chamber thus preventing ice buildup and keeping silt and contamination out
    • Available in your choice of yoke or DIN connectors
    • Compatible with up to 40% O2 right out of the box

    Type of first stage

    Over-balanced diaphragm design, environmentally sealed

    First stage weight yoke / din (grams)

    882 / 668

    First stage length (mm)


    Auto-Closure Device (ACD)


    First stage MP chamber

    Enlarged, symmetrical, all ports provide equal access

    Number of HP ports


    Number of MP ports


    Environmental Dry Kit


    First stage exterior

    Chrome over marine brass

    First stage handwheel

    Triangular shape with oversized soft grip ribs, auto-drain

    First stage dust cap

    Redesigned so it will not inadvertently open the auto-closure device (ACD)

    • Reviews
    • Returns

      30 DAY RETURNS

      If you change your mind, it doesn’t fit, or you become inflicted with buyer’s regret - that's OK!

      Mike's Dive Store offer an extended returns policy of 30 days - so you can be rest assured if the suit, piece of diving equipment or gift doesn't suit then just send it back and we will either exchange it or offer a full refund less any postage costs. Too easy!

      Please note that there are some special order items on our website that will be subject to a 20% re-stocking fee but we will let you know about these items before we special order them so that you are aware of this. If this is the case we can always help with correct sizing so that we minimise the risk of return.

      For step-by-step instructions click here