Pentair Diffuser, 2F Frame, 2-1/2A | Challenger High Flow Pump | 355094Z Water Levelers Pentair Part Number 178575Z Part

Pentair Part Number 178575Z Part Name Bulkhead Bottom Part Category Bulkheads Quantity Included 1 (Each) Fits Into

Replacing it with the correct OEM part restores the original performance of the fixture

the correct impeller profile — medium head in this case — determines the pump's operating point on its performance curve

The Unicel PG-1905 is a single partial DE filter grid engineered for 60 square foot DE filter systems

A failed or compressed gasket allows water to enter the light housing

Pentair Diffuser, 2F Frame, 2-1/2A | Challenger High Flow Pump | 355094Z Water Levelers Pentair Part Number 178575Z PartThe Pentair 355094Z is the OEM replacement diffuser for the 2F frame, 2 1 2A configuration of the Challenger High Flow pump series. The diffuser channels water from the impeller into the pump's volute, converting velocity into pressure to maintain consistent flow through your pool or spa system. A cracked, warped, or worn diffuser reduces hydraulic efficiency and can cause the pump to lose prime or deliver reduced flow. Replacing it with the correct