Polaris UV418 PureZone UV418 Maintenance Kit for 10 inch Big sumps
The Polaris UV418 (also known as the PureZone UV418), maintenance involves an annual replacement of:
The UV lamp, or-rings, and Pre-filter cartridges to ensure system performance and efficiency is maintained. Annual UV replacement is required to ensure 99.99% kill rate.
Polaris UV418 PureZone UV418 Maintenance Kit 10 inch twin Big sumps includes:
- POLARIS 48W HO LAMP FOR UV
- UV Seal UV Resistant O-Ring (Qty 2) UV-SEAL
- Nylon UV Resistant Washer (Qty 2) UV-WASHER
- Pre Filter, PLEATED Big (10 x 4-1/2″) inch, 20 Micron
- Pre Filter, POLYSPUN Big Dual Gradient depth (10 x 4-1/2″) 25 Micron down to 1 Micron
Installation Tips:
Follow the instructions in the System Service Manual on Lamp Replacement, as the 365 countdown ballast needs resetting to 365 to ensure you are alerted for the next maintenance cycle.
Additional Parts:
Optional Quarts Sleeve (if required), QS48HO
To clean a UV quartz sleeve, first turn off the water supply, unplug the power, and depressurise the system. Carefully remove the sleeve and wipe it with a soft, lint-free cloth soaked in a mild acidic solution like vinegar, CLR, or Lime-Away to remove any mineral deposits.

