Pentair WhisperFlo® Impeller 1.5HP | WhisperFlo Pump | 073129Z AOP Pool Systems also inspect your four smaller

also inspect your four smaller secondary filters (Unicel C-4401) and replace the full set together for optimal system performance

Confirm the color of your existing aerator cap before ordering — this listing is the black version

This listing is the 5

Shake the formula and use ½ oz

When replacing the shaft seal

Pentair WhisperFlo® Impeller 1.5HP | WhisperFlo Pump | 073129Z AOP Pool Systems also inspect your four smallerThe 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