Pentair WhisperFlo® Impeller 1.5HP | WhisperFlo Pump | 073129Z Pool Volleyball A cracked or broken lateral

A cracked or broken lateral allows fine sand to bypass into the return line and reenter the pool — the most common sign that a lateral needs replacing

Note that for the FNS Plus 24

sold as a complete set of 8 screws

Unlike standard DE filters that use 7 full grids plus 1 partial grid

1 1/2" socket is 2" spigot for easier plumbing

Pentair WhisperFlo® Impeller 1.5HP | WhisperFlo Pump | 073129Z Pool Volleyball A cracked or broken lateralThe Pentair WhisperFlo Impeller (073129Z) is the OEM replacement 1. 5HP impeller for the WhisperFlo series inground pump covering models WF 6, WF 28, WFE 6, WFE 28, WFK 6, WFDS 6, and WFDS 28. The impeller is the rotating component at the heart of your pump's hydraulic assembly. It draws water through the strainer housing and drives it toward the filter and return lines. A cracked, worn, or clogged impeller reduces flow rate and puts unnecessary load