Pentair WhisperFlo Black Trap/Pump Body (357157Z) vacalert The Hayward main drain frame

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

Carbon replacement for compatible DEL Ozone MDV applications

This part has practical value because the slip Smart-Check format helps preserve the intended plumbing style of supported installations

Selected by part number for more accurate compatibility

Pentair WhisperFlo Black Trap/Pump Body (357157Z) vacalert The Hayward main drain frameThis 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.