SMBW 2000 Series Tank O-Ring monitors_pH ORP Salt/TDS and S3V pumps

and S3V pumps

The Cold Water Run (CWR) models provide electronic control of a variable-speed pump to continuously adjust bypass flow

This is meaningful because those same products (many of which are phosphate-based) would directly conflict with phosphate removal efforts

The Innermost QuickPro pump head is next to the motor or feed rate control in the Classic Series Double Head Pumps

The smooth surface tiles are for waterline applications

SMBW 2000 Series Tank O-Ring monitors_pH ORP Salt/TDS and S3V pumpsThis is a filter tank o ring designed for Purex SM and SMBW 2000 Series Tanks and Nautilus Clamps. This o ring is identical to: O 86, Pentair Purex P24225, 071442, and Swimrite 28828687.