Harmsco TC-75 Spa/Pool Replacement Filter Cartridge divingboards Replacing the correct Waterway plug

Replacing the correct Waterway plug helps keep the filter internals complete and ready for service

Supports better inventory readiness for service professionals

Useful when the original volute is damaged or leaking

Replacing it can help restore both the structural and protective performance of the heater assembly

Useful for shutoff in service-conscious plumbing systems

Harmsco TC-75 Spa/Pool Replacement Filter Cartridge divingboards Replacing the correct Waterway plugThe Harmsco replacement filter cartridge is designed for compatible TC 75 filter applications where the internal filter element needs replacement. A filter cartridge is useful because it traps dirt and debris from circulating water, helping support cleaner water and more dependable filtration performance. This replacement is especially useful when the original cartridge is torn, clogged beyond cleaning, collapsed, or no longer filtering effectively.