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Manufacturer part number: R221016
or internal stress on the exchanger section
Its blend of modern design and practical functionality makes it a perfect addition to any outdoor setting
Its modular design supports long-term serviceability by allowing selective replacement of worn parts
or heater bypass concerns during routine equipment pad service
Pentair Filter Hub Assembly, 3" | 154016Z Maytronics Manufacturer part number: R221016What This Part Is Used For The Pentair 154016Z Hub Assembly 3in is used within select Pentair sand filter systems to connect and support internal lateral components. It directs water evenly through the filter media during filtration and backwash cycles. Why This Part Matters A cracked or worn hub can cause channeling inside the sand bed, reducing filtration efficiency. It may also allow sand to return to the pool if internal connections fail.