The balanced diaphragm R1000 first stage is compact and lightweight.  It has a full complement of four low-pressure and two high-pressure ports and is fine- tuned for optimum performance.



First stage (R1000) 

> Balanced diaphragm first stage

> Cold water insulation system

> Two H.P. ports and four L.P. ports (2 standard/2 high flow) ports

> High flow L.P. ports offer up to 15% increase in air flow


Second Stage (S0001)

Lightweight, compact composite case design

> Left or Right hand configuration

> Venturi adjustment lever

> Ortho-consciously designed mouth piece


TUSA regulators have been engineered, designed and manufactured to offer the utmost in trouble-free performance. We do request that you maintain this valuable investment by having an annual inspection performed at Scubavice Diving Center, or another authorized TUSA dealer. If this regulator is properly maintained, it will provide many years of trouble free service.



  • You must have your regulator serviced and reported to TUSA every 12 months to qualify for the Free Parts for Life Program.  To learn more about the Free Parts for Life Program, go to