HYDRAULIC CIRCUIT
1. Anti-flooding device 11. Volumetric distributor
2. Anti-overflow device 12. Reservoir for water from volumetric control
3. Fill solenoid 13. Reset solenoid
4. Adjustment of regeneration (manual) 14. Level device (pressure switch)
5. Air-break 15. Level siphon
6. Fill valve for regeneration reservoir 16. Anti-overflow system
7. Reservoir for regeneration water 17. Sump assembly
8. Salt container 18. Washing/drain pump assembly
9. Regeneration solenoid 19. Non-return valve
10. Resin reservoir 20. Delivery valve to upper spray arm
11