The Hydrotech 44302403 is the correct replacement control module for the following water filter systems:
The Pura 120 Volt UVBB Filter Series Control Module is a replacement control module for the Pura UVBB series ultraviolet water filter system. This 120 volt controller can only be used with UVBB filter systems that do not have an audible alarm or a solenoid valve. This UV control module is also known by part number 44302403 and helps your UVBB system purify water at peak capacity.
Pura 120 Volt UVBB Filter Series Control Module specifications: