Restore the precision and safety of your gas management system with the Cornelius Primary Regulator Repair Kit. This comprehensive kit includes the essential internal components—including the diaphragm, seat assembly, and O-rings—required to fix leaking or "creeping" regulators. Precision-engineered to original factory specifications, it ensures that your primary CO2 regulator maintains a stable output pressure, preventing over-carbonation and protecting your kegs and beverage lines from high-pressure spikes.