Pentair Evolio 255 Series - Cleaning the Injector Screen

Installer manual Evolio 255 740-760 - Maintenance
Ref. MKT-IM-037 / D - 25.10.2021 65 / 90
8.5.4 Cleaning the injector screen
1. Remove the softener and valve covers, see Covers removal (softener and valve) [
→
Page62].
2. Using a Torx key, unscrew and extract the injector screen cap (1) on which the injector screen
(2) is clipped.
3. Unclip the injector screen (2) and clean it with a soft brush.
Use of descaling agent such as white vinegar might be required in case of impurities or scale
on the injector screen (2).
4. Check for o-rings integrity and clip the injector screen (2) back on its cap (1).
5. Reinsert the injector screen (2) and its cap (1), screw it back in using a Torx key.
6. Rinse thoroughly any cleaning agent you may have used.
7. Reverse above procedure steps to rebuild.