Pentair Impeller | EQ Series Commercial Plastic Pump | 350030Z Pool Equipment Parts A deteriorated or damaged O-ring

A deteriorated or damaged O-ring will allow water to enter the light fixture

When the flapper wears or tears

Brand Equipment Line Model / Part Number Hayward SwimClear Single Element Cartridge Filter C100S Compatibility is based on Hayward parts documentation and available OEM records

000 gallons with cartridge filters

Replacing a worn or damaged check valve and inlet fitting adapter restores proper flow control and helps maintain consistent chemical dosing performance

Pentair Impeller | EQ Series Commercial Plastic Pump | 350030Z Pool Equipment Parts A deteriorated or damaged O-ringThe Pentair 350030Z is the OEM replacement impeller for the EQ Series commercial plastic pump, specifically matched to 5 HP configurations of the EQ500, EQK500, and EQKT500 models. What It Does The impeller is the rotating hydraulic component inside the pump volute responsible for generating flow through the circulation system. A worn or damaged impeller reduces flow rate and places additional load on the motor. Replacing it with the correct OEM part