The Polaris DCW-0640B is the correct replacement ballast for the following UV systems:
The Polaris DCW-0640B UV Lamp Ballast 24-39W- 110/220V is a replacement electronic ballast for the Polaris UV-6C - UV-100B ultraviolet water filtration systems. This 110V/220V ballast is a genuine Polaris replacement part. Polaris ballasts are built from durable construction material to be extra long lasting.
Polaris DCW-0640B UV Lamp Ballast 24-39W- 110/220V specifications: