Zeagle ZO Onyx


High performing warm water regulator

The Onyx regulator outperforms many, much more expensive regulators with outstanding reputations – why? The internal structure allows direct airflow through the 1st stage, providing lower turbulence for outstanding performance. Our conical precision high-pressure valve provides much greater reliability and service life compared to conventional designs, while improving responsiveness and performance at all breathing rates.

The Onyx is available in yoke and DIN (with or without adaptor) styles.

  • Environmentally Sealed
  • Balanced Diaphragm
  • 5 LP Ports
  • 2 HP Ports
  • Lighter weight
  • Stylish black finish


First Stage Materials:
Body: Brass
O-rings: Buna-N
Seat: Advanced Polymer
HP Valve: Stainless Steel
  • Downstream valve
  • Balanced Diaphragm
  • Dive/Pre Dive Venturi Control
  • Diver Adjustable Breathing Sensitivity
  • Braided Hose Length: 30 in. (.76 m)


Second Stage Materials:
Cover: Flexible Thermoplastic
Case: Thermoplastic
Poppet Seat: Elastomer
O-rings: Buna-N
Diaphragm: Elastomeric Polymer
Exhaust Valve: Elastomer
Mouthpiece: Silicone


SKU: ZZO Categories: ,

Additional information

Additional information

Weight 5 lbs
Dimensions 12 × 8 × 6 in
1st Stage

DIN with Yoke adapter, Yoke


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