Pentair Bulkhead Retaining Nut | System 3 D.E. & Modular Media Filters | 24752-0050Z F30150P The Unicel C-7490 is a

The Unicel C-7490 is a 7000 Series 137 sq

The Pentair Mounting Plate (355384) is the OEM replacement mounting plate for the Challenger High Pressure Pump

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Smith B2984 Square Flange 2 or 0

Pentair Bulkhead Retaining Nut | System 3 D.E. & Modular Media Filters | 24752-0050Z F30150P The Unicel C-7490 is aThe Pentair Bulkhead Retaining Nut (24752 0050Z) is the OEM replacement hardware component for Pentair (formerly Sta Rite) System 3 D. E. and Modular Media filter tanks. The bulkhead retaining nut secures the bulkhead fitting to the filter tank wall, maintaining a watertight seal at plumbing penetration points. A loose or damaged retaining nut allows the bulkhead to shift under operating pressure, resulting in leaks at the tank connection. Replacing a