Pentair WhisperFlo Black Trap/Pump Body (357157Z) vacalert Selected by part number for

Selected by part number for more accurate compatibility

This replacement is especially useful when the original closure is cracked

The Hayward main drain frame is designed for compatible round drain-cover applications where the supporting frame needs replacement

A topside panel overlay helps restore the visible button labels on a compatible spa keypad

Pentair WhisperFlo Black Trap/Pump Body (357157Z) vacalert Selected by part number forThis Pentair replacement component supports the structure, sealing, or hydraulic performance of the pump assembly. Built for the specific WhisperFlo Black Trap Pump Body application, it helps restore the fit and function needed during pump repairs, wet end rebuilds, or equipment refreshes. Replacing damaged housings, supports, rings, or internal pump parts can help reduce leaks, vibration, poor circulation, and premature wear on related components.