Waterway .75 HP Hi-Flo Side Discharge Spa Pump Impeller "B" (310-3990) vaclesssystems A Buna-N O-ring helps create

A Buna-N O-ring helps create a flexible seal in a compatible connection

This Convertassage jet assembly is designed for compatible 1 1/2 inch by 1 inch applications where the original jet has worn down or no longer delivers the comfort and finish it once did

A run capacitor helps support steady motor operation by maintaining the electrical characteristics needed during running conditions

A replacement weir is often needed when the original becomes warped

Waterway .75 HP Hi-Flo Side Discharge Spa Pump Impeller "B" (310-3990) vaclesssystems A Buna-N O-ring helps createThe Waterway 310 3990 impeller is designed for compatible . 75 HP Hi Flo side discharge spa pump applications and is identified as the B version. An impeller like this is useful because it restores the working water moving element of the pump while maintaining compatibility with the original version specific design. Version specific pump parts matter because even similar horsepower ratings may not use the same impeller. This Waterway part is a strong