Pentair TR100C/TR140C 8.5" Black Buttress Tank Lid Kit (154856Z) poolcovers Verify with part number R172052

Verify with part number R172052 before ordering

this control dial helps support dependable treatment adjustment and stronger long-term feeder usability

Useful when the original assembly is damaged or no longer operating correctly

polished look that works well in many spa interiors

Helps restore stronger hydraulic performance

Pentair TR100C/TR140C 8.5" Black Buttress Tank Lid Kit (154856Z) poolcovers Verify with part number R172052Pentair Tank Lid Kit, Pentair TR100C TR140C, 8. 5", Black, Buttress Thread (154856Z) is a replacement filter or filter system component for compatible Pentair pool filtration equipment. These parts help support proper filtration, water distribution, sealing, or access within the filter assembly. Use this part when the original component is cracked, worn, leaking, damaged, or being replaced during a filter rebuild. Confirm the filter model, tank size,