Pentair CSPH/CCSPH 10 HP Impeller (16830-0210) claytonlambert and a 23-5/16 inch length

and a 23-5/16 inch length

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 type of product is especially useful when a flexible silicone seal is needed across general spa

It is useful when rebuilding a pump that has suffered internal wear

or no longer delivering the desired flow pattern

Pentair CSPH/CCSPH 10 HP Impeller (16830-0210) claytonlambert and a 23-5/16 inch lengthDesigned 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