Pentair Lid O-Ring #2-357 | SuperFlo, SuperMax & OptiFlo Pumps | 357255Z Drains The Pentair Quad 100 D

The Pentair Quad 100 D

Do not attempt to replace pool light components without proper certification

confirm your filter system's exact model number and locate the OEM part number on your existing cartridge or owner's manual — Hayward system names (C1250

Verify fitment before ordering Pentair IntelliFlo 2 VST Pump INTELLIFLO 2 VST Not shown in diagram

Pentair Lid O-Ring #2-357 | SuperFlo, SuperMax & OptiFlo Pumps | 357255Z Drains The Pentair Quad 100 DThe Pentair Lid O Ring #2 357 (357255Z) is the OEM replacement strainer lid seal for Pentair SuperFlo, SuperMax, and OptiFlo pump families, including variable speed models. This O ring seats between the strainer pot body and the clear lid, creating the airtight, watertight seal that keeps the pump primed and prevents air from entering the suction side of the system. When this seal degrades through UV exposure, chemical wear, or compression set the