Waterway .75 HP Hi-Flo Side Discharge Spa Pump Impeller "B" (310-3990) valveparts Designed for compatible internal inlet

Designed for compatible internal inlet fitting support

The SherLok 80 fit and 16-1/4 inch relationship give this part practical value because internal filter components work best when they match the original size and assembly relationship closely

supporting better debris capture and steadier skimming action

The Hayward SPX1085D2PAK2 faceplate gasket set is designed for compatible SP1085 skimmer applications and includes two replacement gaskets

Waterway .75 HP Hi-Flo Side Discharge Spa Pump Impeller "B" (310-3990) valveparts Designed for compatible internal inletThe 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