Pentair Lid O-Ring #2-357 | SuperFlo, SuperMax & OptiFlo Pumps | 357255Z Drains Extra heavy duty net and

Extra heavy duty net and real feel basketball

Pentair MasterTemp 460805 Air Intake Kit listed as optional accessory for MasterTemp Heater HD series

Replacing it restores the seal and returns the filter to full operating pressure

The Pentair Quad 100 D

effective 8/00

Pentair Lid O-Ring #2-357 | SuperFlo, SuperMax & OptiFlo Pumps | 357255Z Drains Extra heavy duty net andThe 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