The Aqua Flo 44302304 Control Module (Ballast) can be used with Aqua Flo UV20 & UVB 220 volt ultraviolet water disinfection systems that are equipped with a “Normally Closed” (NC) “Lamp Out Circuit” (LOC) solenoid valve, but not equipped with an audible alarm.Specifications:

• Voltage: 220
• Systems: UVB, UV20
• Lamp Out Circuit with Alarm: N/A
• Lamp Out Circuit with Solenoid: Normally Closed