Pentair Backup Ring, Stainless Steel, for FNS Plus and CNC Plus | 195339 HASA Seals tank body to filter

Seals tank body to filter head

C-Series Single Element Heaters (All Wattages)

The Napoleon CSL42K Classic Black Surround is a decorative trim surround designed for the Ascent Linear 42 fireplace

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supporting authentic aesthetics and reliable operation

Pentair Backup Ring, Stainless Steel, for FNS Plus and CNC Plus | 195339 HASA Seals tank body to filterWhat This Part Is Used For Pentair 195339 Backup Ring FNS Plus CNC Plus Stainless Steel is a replacement backup ring for compatible Pentair FNS Plus and CNC Plus filter systems. It supports proper sealing within stainless steel filter assemblies. Why This Part Matters A backup ring helps maintain correct O ring compression under pressure. Replacing a worn ring restores secure sealing and prevents leaks. Proper internal sealing protects filter