Hayward Power Flo Matrixpump Quick Fix O-Ring Kit (SPXHKIT12MTX) watertestkits and this Balboa Pressure Switch

and this Balboa Pressure Switch is designed for compatible 3A

Replacing it can help restore both the visual finish and the functional water pattern at the return point

while the Ultima platform preserves the original pump-family match

The 3/4 inch size and 1/2 pound water-service design give this valve practical value because check valves work best when the replacement matches the original plumbing dimensions and operating characteristics closely

Hayward Power Flo Matrixpump Quick Fix O-Ring Kit (SPXHKIT12MTX) watertestkits and this Balboa Pressure SwitchThe Hayward Quick Fix O ring kit is designed for compatible Power Flo Matrix pump applications where multiple sealing points need to be refreshed during service. A kit like this is useful because it groups the related O rings needed for a cleaner repair, helping restore the pumps sealing integrity more efficiently. This replacement is especially useful when the original O rings are flattened, brittle, cracked, leaking, or too worn to reuse