Pentair BioShield Ballast Assembly with Flow Switch & Tee | 523461 Waterway Diatomaceous Earth Filters Check that the ring and

Check that the ring and lid sit level and just above the finished deck

Compatibility: Designed for Polaris pool cleaning systems

Periodic checking the O-ring is essential to check for wear

corrosion-resistant materials to withstand outdoor conditions

Pentair BioShield Ballast Assembly with Flow Switch & Tee | 523461 Waterway Diatomaceous Earth Filters Check that the ring andPentair BioShield Ballast Assembly with Flow Switch & Tee 523461 Restore reliable operation of your BioShield UV sanitizer with the genuine Pentair 523461 Ballast Assembly. This complete OEM replacement includes the ballast, flow switch, and reducer tee for compatible 50W, 80W, and 120W BioShield systems. Features Genuine Pentair OEM ballast assembly Includes ballast, flow switch, and reducer tee Compatible with BioShield Models 522635, 522636, and