The Hydrotech 40200080 is the correct replacement control module/ballast for the following water filter systems:
The Pura Control Module/Ballast for UV1/UV Addon is a replacement control module and ballast for the Pura UV1 and UV Addon Series Water Filtration Systems. This electronic ballast features 120 volts of power. This 120 volt ballast also includes a power cord that is constructed with a pre-installed finishing cap snap ring. This ballast for UV systems ensures proper water purification for your UV1 and UV Addon systems.
Pura Control Module/Ballast for UV1/UV Addon specifications: