Pentair Triton C-3 Flange Adapter O-Ring (154004Z) marquisspas A retrofit cover like this

A retrofit cover like this is useful because it helps renew both protection and presentation

The P30X003LI is a strong service part when a compatible cleaner needs one of its core operational components renewed for more dependable use

feels rough when turning

Includes gasket for compatible service use

Reference part number 9-100-7026 when matching to your existing component

Pentair Triton C-3 Flange Adapter O-Ring (154004Z) marquisspas A retrofit cover like thisThis replacement O ring is used with the Triton C 3 flange adapter to help maintain a dependable seal at a critical filter connection point. When an older seal becomes flattened, brittle, swollen, or nicked, even a small gap can allow water seepage, air intrusion, or reduced system efficiency. Replacing the O ring during filter service helps protect the adapter connection and supports consistent filtration performance. Designed for pool equipment