Waterway EX2 2" Spa Pump Volute Housing [56-Frame] (315-2311) controlsystemparts Configured for E4 Standard Aux

Configured for E4 Standard Aux LE panel layouts

This replacement is especially useful when the original inlet is cracked

A properly selected Herga replacement helps preserve intended compatibility and contributes to more dependable system behavior

Helps restore the front mounting surface

This replacement is especially useful when the original switch no longer returns cleanly

Waterway EX2 2" Spa Pump Volute Housing [56-Frame] (315-2311) controlsystemparts Configured for E4 Standard AuxThe Waterway 315 2311 EX2 spa pump volute housing is designed for compatible 2 inch 56 frame applications. A housing like this is useful because it restores the main wet end body of the pump, helping bring the assembly back to proper structural and hydraulic condition when the original volute has been damaged. Frame specific housings matter because even closely related pump models can require different wet end parts. This Waterway EX2 volute housing