A fully balanced regualtor at an entry level price. Warm water use only (above 10C / 50F).

Features & Benefits

First Stage:

  • 1 HP port and 4 MP ports are available.
  • Available in DIN and yoke.

Second Stage

  • Pneumatically-balanced second stage results in smooth, easy breathing.
  • The integrated venturi control provides a performance boost at depth while preventing unwanted freeflow at the surface.
  • The Comfo-bite™ mouthpiece virtually eliminates jaw-fatigue.


Connections Yoke or DIN
Type of first stage  
Body Type Cylindrical
Number of HP ports 1 (7/16" UNF)
Number of MP ports 4 (3/8" UNF)
Environmental Dry Kit  
First stage exterior Chrome over marine brass
Coldwater Use No
Type of second stage Pneumatically balanced
Integrated Venturi Lever Yes
Mouthpiece Comfo-bite™
Exhaust tee  
Heat Exchanger for freezing resistance  
Overall work of breathing (WOB) scores  
Nitrox compatible  


20% discount
All configurations available in either Yoke or DIN                     
AT20 Regulator                      
RRP  20,990 ฿
1 and 2 gauge consoles come with HP hose rubber. For optional low diameter HP-flex hose please add 400 ฿.