Hayward HydroRite HYR400 PVCUV Commercial Disinfection System 411 GPM 120V. The HydroRite UV Commercial Disinfection System combines three powerful disinfectants into one lightweight vessel, offering unprecedented plug-and-play installation and setting a new standard for water quality for commercial pools and spas. HydroRite UV inactivates more than 99.9% of harmful chlorine-resistant microorganisms. Low-pressure, dual-wavelength UV bulbs provide sterilization and oxidation with little to no impact on chlorine level.