ZEO FDXi Regulator

(6 customer reviews)
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Try telling an engineer that a design, any design, can’t be made… better. In our case that challenge led directly to the ZEO.

We started with the EOS, a legendary regulator known for it’s comfort and breathing profile and ended up with the ZEO. Like its predecessor the EOS, the ZEO is also a phenomenal breather allowing the diver extensive control over the air flow profile at any depth. It takes this design one step further however by incorporating a tough and corrosion resistant chrome plated marine brass valve that has better cold water performance and even a better breathing experience. The all metal valve encourages the condensation of water vapor from your exhalation on the valve housing. When you inhale that condensed water vapor circulates with the airflow and helps to reduce “dry mouth” and increase the overall level of comfort. The ZEO also comes with our patented Dynamic Adjustment technology, diver inhalation effort adjustment controls, dive/pre-dive switch, swivel and an super comfortable orthodontic mouth piece.

The ZEO second stage comes paired with our new first stage FDX-i. The cold forged, over-balanced diaphragm FDX-i is environmentally sealed. It’s in-line design limits the pressure loss inherent in “L” type first stage designs making the FDX-i more efficient and lighter due to it’s compact form.

The ZEO/FDX-i combination is everything you need for a sublime breathing experience at any depth and in any environment. From the balmy tropical waters of the caribbean to the extremes of cold water diving’s best dive sites, the ZEO will perform with reliability, consistency and comfort and makes taking your favorite regulator literally anywhere, that much easier.

Second Stage ZEO

  • Pneumatically balanced second stage automatically maintains consistent inhalation effort throughout dive
  • Diver adjustable inhalation effort allows the diver to control a desired level of airflow at any time.
  • Patented Dynamic Adjustment automatically maintains inhalation effort throughout the dive
  • Adjustable Venturi Switch (A.V.S.) for simple dive/pre-dive adjustment
  • Inline ball swivel reduces jaw fatigue
  • Orthodontic mouthpiece
  • Paired with the FDX-i first stage

First Stage FDX-i

The FDX-i in-line design provides an improved flow rate, greatly reduced weight and more ergonomic port positioning for better hose routing when compared to the classic right angle first stages.

  • Precision Cold Forged
  • Reduced weight
  • Pneumatically balanced – consistent performance at any depth
  • Environmentally Sealed diaphragm – cold water ready
  • 4 Low Pressure and 2 High Pressure Ports
  • Angled ports for ideal hose routing
  • Improved flow rate over standard right angle first stages.

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6 reviews for ZEO FDXi Regulator

  1. Scott Prictor

    Slim line and efficient breathing coupled with the lightweight design and swivel makes breathing from the ZEO and absolute dream. The first stage is lightweight and compact but with the performance I expect from my Oceanic regulators when teaching in shallow or deep water.

  2. Steve Skinner

    The Zeo is a great reg it is easily adjusted, has a comfortable fit and is nice and slim line. Coupled with the FDXi you cant go wrong
    Would recommend to anyone looking for a new reg

  3. Grant Bucknell

    I would like to comment on the Zeo Fdxi regulator. After having used the Eos regulator for the last few years, a move to a new reg was always going to be interesting, capped off with the fact that after 29 years of diving and instructing, I also made the move to a Din first stage. The Zeo reg I can some up in just two words, ‘love it’. It’s a light weight reg, so no jaw fatigue during long dives, that breathes very well in my opinion. The reg comes with Dry Valve Technology (DVT), for those who forget to put dust caps back in place, this stops water, dirt etc, from getting in and damaging you reg. My reg has not missed a beat in reliability, which is something I look for in a reg. I recommend the oceanic Zeo Fdxi reg for anyone wanting to purchase regs.

  4. Cecil Bub

    The First stage Looks smart in all moulded hard black rubber tightly adhered to the outer surface of the marine grade brass machined mould and housing of the internal mechanics of the regulator. Corrosion resistant chrome exposed where necessary to the 6 ports are placed in ergonomic order to hook up to the essential gear we use where we want it.

    Sound connection to the Tank valve opening , the finest mesh there to prevent dust salt or dirt from entering the environmentally protected insides and smart technology of the regulator.

    Firm connection to the modern designed yoke ending with knob shaped for easy grip and turning to close in on the tank valve opening or dust cap for storage. This environmentally sealed balanced diaphragm regulator breathes easily as one dives. Keeping pace with the surrounding ambient pressure.
    Has 2 High Pressure ports to which I have connected a computer transmitter for wireless transmission to a wrist computer and an additional Submersible pressure guage ( good back up for solo diving knowing tank pressure) and 4 low pressure ports two connected to my Second stage regulators, two on my right hand side and one to the low inflation hose on my left side, one port remaining for dry suit connections.
    Connected into each port are maxflex hoses with higher burst rating.

    These hoses are hooked up to the following:
    The Zeo on demand downstream regulator Black in colour is small compact and light weight beautifully designed surrounded by silver inset design (note Oceanic label in front)
    The zeo swivel makes positioning of the regulator comfortable to ones mouth and prevents mouth fatigue.
    The on demand regulator has an adjustable knob to adjust the air as you need , breathing more or less effort, as you chose.
    Turned down can even prevent a free flow on the surface, a venturi lever up against this knob can direct air to your mouth.
    Both easily accessable.

    The Second stage regulator ends with an orthodontic mouthpiece thus holds firmly with the overbite of the jaw .
    Exhaled air exits neatly from the deflector below the regulator past the side of one’s face.

  5. Andrew Benson

    I have always been a great fan of Oceanic regulators. My previous regulator was the Oceanic Eos FDX10 which performed flawlessly for 6 years. When changing to the Zeo, I knew it had big shoes to fill, though the Oceanic name gave me confidence in selecting this regulator.

    Suited for the beginner or the professional, the sleek design and technology of the FDXi first stage provides high performance and reliability. The environmentally sealed, balanced diaphragm design guarantees corrosion protection and minimal breathing effort. The two high pressure ports is a must for me as it allows me to run an SPG and air transmitter for my Oceanic dive computer.

    The light weight, slim design Zeo second stage, coupled with max flex hose, is a perfect match to the FDXi first stage. The adjustment knob and venturi lever allows the diver to set the breathing effort at their desire while reducing the risk of free flow on the surface.

    I would not hesitate in recommending the Oceanic Zeo FDXi Regulator to any diver!

  6. Luana Royle

    An excellent reg for everyone but if you like something with a difference then this is it…….mine is white and just looks awesome against other regs and being female it adds to what I believe is great look.
    Even though the aesthetics are great it’s it;s ability to stop you from getting a dry mouth…..this has to be the best part of the practicality of this reg.
    LOVE IT!

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