Waterway 3.0 HP Hi-Flo Side Discharge Spa Pump Impeller (310-4020) switches This cartridge has practical value

This cartridge has practical value because a Pleatco replacement is designed to restore the intended filter performance without changing the larger filter housing

Supports proper water distribution

White remains a practical choice for keeping that look bright and consistent with common shell colors

The Hydro-Quip 4

and this Herga Electric version is a 4-function 3PDT model rated at 20 amps with a center spout and white-cam configuration using the 59-345-3120 reference

Waterway 3.0 HP Hi-Flo Side Discharge Spa Pump Impeller (310-4020) switches This cartridge has practical valueThe Waterway 310 4020 impeller is designed for compatible 3. 0 HP Hi Flo side discharge spa pump applications. An impeller like this is useful because it restores the main water moving function inside the pump while keeping compatibility with the original Hi Flo side discharge design. Replacing the correct impeller can be a practical and efficient way to restore pump performance without replacing the full assembly. This Waterway part is especially