Pentair Evolio 255 Series - Page 70

Installer manual Evolio 255 740-760 - Maintenance
70 / 90 Ref. MKT-IM-037 / D - 25.10.2021
8.5.7.3 Cleaning the refill controller
1. Remove the softener and valve covers, see Covers removal (softener and valve) [
→
Page62].
2. Using a Torx key, unscrew and extract the refill controller (3).
3. Clean the refill controller (3) with a soft brush.
ð Make sure the refill controller groove is perfectly clean.
4. Check for o-rings integrity.
5. Check for ball (2) integrity.
6. Clean the refill controller chamber (1) before reinserting the refill controller (3) and its ball
(2).
7. Reverse above procedure steps to rebuild.