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and fiberglass—and works with all sanitizer types
making it suitable for large pools
ensuring it operates smoothly and effectively over time
It ensures optimal light transmission and longevity
Aladdin Hayward NorthStar Strainer Cover O-Ring | SPX4000TS | O-510 9-100-3008 UWF Connector and fiberglass—and works with allThe Aladdin O 510 Strainer Cover O Ring provides a dependable replacement for the Hayward SPX4000TS seal used on NorthStar pump lids, helping restore proper suction side sealing and pump priming. Its chemical resistant elastomer withstands chlorine, temperature shifts, and repeated lid removal while maintaining long term elasticity and sealing integrity. Following the OEM style contour of the NorthStar lid groove, the O 510 installs smoothly and forms
