Pentair Tank Bottom | Clean & Clear RP Filters / SEP Separation Tank | 178731Z Automated Chemical Feeders Replace both sealing surfaces together

Replace both sealing surfaces together for a lasting repair

For In Ground Units from 10

1-1/4" x 27' Bosun Vacuum Hose with Swivel Cuff

measure your existing basket rather than relying on the pump model number alone — some SP-1600 variants shipped with different basket dimensions depending on production year and regional market

Pentair Tank Bottom | Clean & Clear RP Filters / SEP Separation Tank | 178731Z Automated Chemical Feeders Replace both sealing surfaces togetherThe Pentair Tank Bottom (178731Z) is the OEM replacement lower tank shell for the Clean & Clear RP cartridge filter series and the SEP Separation Tank series (SEP 48, SEP 72, SEP 96, and SEP 144). What It Does The tank bottom forms the structural lower half of the filter or separation tank housing, containing the water under pressure during filtration. A cracked, warped, or leaking tank bottom compromises system pressure integrity and must be replaced