Pentair Tank Lid Assembly 520 sq. ft. | Clean & Clear Plus / Quad D.E. Filter | 178582 C2308 A failed or cracked bulkhead

A failed or cracked bulkhead allows water to bypass the filter body at the fitting — resulting in leaks at the tank port and potential pressure loss throughout the return line

and safety-critical control components

Pentair Part Number 190037 Part Name Assembly

9oz Salt Water Magic Liquid

Pentair Tank Lid Assembly 520 sq. ft. | Clean & Clear Plus / Quad D.E. Filter | 178582 C2308 A failed or cracked bulkheadThe Pentair Tank Lid Assembly (178582) is the OEM replacement lid for the Clean & Clear Plus 520 sq. ft. cartridge filter and the Quad D. E. 100 filter. If your filter lid is cracked, warped, or no longer seals correctly, this is the direct replacement part. IMPORTANT: MANUFACTURING DATE APPLIES CLEAN & CLEAR PLUS 520 This lid assembly is correct for Clean & Clear Plus 520 sq. ft. filters manufactured after November 1998. If your filter was