TUSA RK-S-40 / S-70I / S0009 Regulator Second Stage International Repair Kit

The TUSA RK-S-40 / S-70I / S0009 Regulator Second Stage International Repair Kit is an OEM replacement kit designed for the complete servicing of your TUSA second stage regulator. This kit provides all necessary components to restore your regulator’s performance, reliability, and safety to factory specifications.

Each repair kit contains high-quality TUSA-manufactured parts, including O-rings, diaphragms, springs, and other essential components. Using only OEM parts ensures compatibility with your regulator, maintains breathing performance, and protects against leaks, wear, and component failure.

This repair kit is ideal for:

• Routine regulator maintenance

• Overhaul of worn or aging second stages

• Technical divers, instructors, and recreational divers seeking reliable performance

Features

• Complete OEM TUSA parts for RK-S-40, S-70I and S0009 regulators

• Ensures regulator performs to original specifications

• Includes O-rings, diaphragms, springs, and other necessary components

• Restores breathing performance and reliability

• Recommended for routine maintenance or full rebuilds

Notes

• Professional installation recommended

• Works only with TUSA RK-S-40, S-70I and S0009 second stage regulators

• Sold as a replacement kit; regulator not included