Pentair CSPH/CCSPH 10 HP Impeller (16830-0210) claytonlambert The 18 inch by 11

The 18 inch by 11 inch dimensions and FC-9870 reference give this part practical value because DE grids work best when the replacement matches the original size and assembly layout closely

This part is a practical choice when restoring feed performance

or no longer delivering the desired flow pattern

Use part number 2920223089 when matching the replacement to an existing Speck pump configuration

Pentair CSPH/CCSPH 10 HP Impeller (16830-0210) claytonlambert The 18 inch by 11Designed for compatible pool and spa systems, this component supports a clean repair and dependable day to day operation. The Pentair Challenger 1. 5 HP Diffuser is a Pentair Pool Products component for the pump parts category. As a diffuser related pump component, it helps manage water flow leaving the impeller so pressure and circulation stay aligned with the pump design. Matching this part to the correct assembly helps avoid downtime and repeat