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The Waterway 417-4220 union tailpiece is designed for compatible plumbing applications using a 2 inch flange connection and a 2 inch male pipe thread outlet
Supports debris pickup and cleaning efficiency
Verify part number 897-030 before purchase
Improves service confidence and filtration quality
and Pentair part number C53-21 before ordering to help ensure the right fit
Pentair Posi-Clear RP Tank Bottom (178743Z) ozone The Waterway 417-4220 union tailpiecePentair Tank Bottom, Pentair Posi Clear RP (178743Z) 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, thread style, and part number
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