Mazzei Rebuild Kit [Check Valve #978/C83P] (CR-3) multiportvalves or the system may behave

or the system may behave in ways that suggest a larger failure than what is actually happening

When internal support pieces no longer hold up

Helps restore stable pack logic and response

Useful when original volutes are cracked or worn

This cartridge has practical value because replacing the filter element is often the most direct way to restore filtration performance without changing the larger filter housing

Mazzei Rebuild Kit [Check Valve #978/C83P] (CR-3) multiportvalves or the system may behaveThe Mazzei rebuild kit is designed for compatible #978 and C83P check valve applications where internal service parts need replacement. A rebuild kit is useful because it helps restore dependable valve function without requiring replacement of the entire check valve assembly. This replacement is especially useful when the original check valve components are worn, leaking, sticking, or damaged. Using the correct rebuild kit can help restore one way