Pura UV (40200116) Control Module, #11 & #20, 120V ElectronicPura UV by Hydrotech UV Control Module 40200116, #11 & #20, 120V Electronic Electronic control module for Pura UV disinfection systems, compatible with UV20, UVBB, and Add on 3 series units 120V Electronic OEM Part WHY IT WORKS Electronic Control for Continuous UV Protection Precise Power Regulation Electronic ballast delivers stable power to UV lamps, ensuring consistent disinfection performance across varying line voltages System Monitoring Tracks