Pentair PacFab FNS Plus 36 sqft Tank Lid (170020)

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This tank lid is used with compatible PacFab FNS Plus 36 square foot DE filter systems where the upper housing requires replacement.It helps complete the pressure vessel and provid es the top-side structure for proper filter operation.A damaged lid can create unsafe pressure issues, leaks, or difficulty sealing the filter after cleaning. Tank lid for FNS Plus 36 sqft DE filters Completes the upper pressure housing Useful for damaged or leaking lid replacement Should be installed with correct clamp and sealing components Replacing the lid with the correct part helps preserve the original filter configuration while supporting dependable service after grid cleaning or internal repairs. Always inspect the clamp and O-ring when installing part number 170020. Show more