The Hydrotech 40200117 is the correct replacement control module for the following water filter systems:
The Pura 220 Volt Control Module for UV20/UVB Series is a replacement control module for the Pura UVB and UV20 Series water filtration systems. This water filter controller can be used with UV water filter systems that do not feature a solenoid valve or an audible alarm. This 220 volt controller ensures that your UV filter system operates at peak capacity.
Pura 220 Volt Control Module for UV20/UVB Series specifications: