Mazzei Rebuild Kit [Check Valve #978/C83P] (CR-3) multiportvalves Useful when original volutes are

Useful when original volutes are cracked or worn

When internal support pieces no longer hold up

Helps restore stable pack logic and response

Light-duty flow switches like this are useful in control applications where accurate flow verification matters more than heavy switching capacity

Mazzei Rebuild Kit [Check Valve #978/C83P] (CR-3) multiportvalves Useful when original volutes areThe 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