Rather than replacing a larger assembly too soon, Pentair FNS/Quad/FSH Filter Spring (195612Z) allows a more precise repair to the component that needs attention. This filter spring is used in FNS, Quad, and FSH filter service where spring tension helps keep internal components seated as intended. It is useful when the existing component shows wear, damage, age-related failure, or performance issues in the larger pool or spa system. Made for DE filter internal hardware repairs Supports secure component positioning and longer-lasting service repairs Check spring tension, corrosion condition, and assembly order before installation Use part number to verify fit For best results, clean the surrounding area, check for secondary wear, and verify the assembly operates smoothly after installation.
