Hayward UltraMax Impeller for All Models - SPX2915CT Hayward Pump pH dispense can be achieved

pH dispense can be achieved using the second kit

Other approaches don't sample the water often enough and release larger doses

visit Haywards Energy Calculator

Genuine Hayward Replacement Flow Switch Assembly

Units built prior to 2008 can only use T-CELL-15 unless the pcb has been upgraded

Hayward UltraMax Impeller for All Models - SPX2915CT Hayward Pump pH dispense can be achievedProduct Description Hayward UltraMax Replacement Impeller for ALL Models. Hayward Item Code: SPX2915CT Features Genuine Hayward Turbo Injection Impeller for All Models. Compatible with All Hayward UltraMax Pumps: SP2910, SP2910ET, SP2915, SP2915ET, SP29152, and SP29152ET.