Pentair Impeller Screw | Max-E-Pro Series Pump | 37337-6081Z Sanitizer Cartridges & Cells Replacing with this OEM assembly

Replacing with this OEM assembly restores the correct fit and seal geometry specific to the FNSP48 housing

inspect both seating surfaces for debris or old gasket material before installing the new gaskets

Available in white color

No rounded corners and no sharp edges

then broadcast evenly

Pentair Impeller Screw | Max-E-Pro Series Pump | 37337-6081Z Sanitizer Cartridges & Cells Replacing with this OEM assemblyThe Pentair Impeller Screw (37337 6081Z) is the OEM replacement fastener that secures the impeller assembly within the Max E Pro Series inground pump. This is the specific screw designated as Item 10B in the Max E Pro parts diagram, for use with models carrying the Note 4 impeller configuration. The impeller screw holds the impeller firmly to the motor shaft. A loose or damaged screw allows the impeller to shift under load, resulting in reduced flow,