The Hydrotech 44302309 is the correct replacement control module for the following water filter systems:
The Pura 120 Volt UVBB Series LOC NO Control Module is a replacement control module for the Pura UVBB series ultraviolet water filter system. This 120 volt controller is compatible for use with UVBB systems that feature an NO (Normally Open) solenoid valve and audible alarm. This UV control module ensures that your UVBB water filtration system purifies water at peak capacity.
Pura 120 Volt UVBB Series LOC NO Control Module specifications: