Aqua Flo 40200116 Control Module 120V Standard Subscription Product The PH-80 HydroTester is ideal

The PH-80 HydroTester is ideal for testing applications such as hydroponics and gardening

Clear bowl easily removed for total cleaning (No tools required-using tools voids warranty)

steam generators

Valve Option: Non-valved

Filbur FC-0359M is compatible with: Unicel: 6CH-940RA

Aqua Flo 40200116 Control Module 120V Standard Subscription Product The PH-80 HydroTester is idealThe Aqua Flo 40200116 Control Module (Ballast) is used for 120 volt applications with the UVB and UV20 standard systems that are not equipped with and audible alarm or a solenoid valve. Features: Voltage: 120 Systems: UV20, UVB Lamp Out Circuit with Alarm: N A Lamp Out Circuit with Solenoid: N A UL Listed 41Y4 To Replace the Ballast for the Aqua Flo UV20 and UVB Series, you must purchase the Control Module item #10 (page 5 of manual or page 9 of PDF).