Pentair Diffuser | EQ Series Commercial Plastic Pump | 356735Z FC9550 Length 9 13/16" Outer Diameter

Length 9 13/16" Outer Diameter 7" Top Inner Diameter 3" Bottom Inner Diameter 3" Material 4 oz

When inspecting your sand filter's lateral assembly

The Commercial Size Feeder (300-29X) and In-Line Automatic Feeder (320) share this valve

OEM Brand Product Name Part Number Notes Freeflow Spas Legend — Select older models with 1-1/2" threaded standpipe housing only — verify filter type before ordering Freeflow Spas Passport — Select older models with 1-1/2" threaded standpipe housing only — verify filter type before ordering (This is not an exhaustive list

Pentair Diffuser | EQ Series Commercial Plastic Pump | 356735Z FC9550 Length 9 13/16" Outer DiameterThe Pentair 356735Z is the OEM replacement diffuser (Item No. 17) for the EQ Series Commercial Plastic Pump, covering the EQK1500, EQKT1500, EQW300, and EQWK300 models as well as 50 Hz variants. What It Does The diffuser channels water flow from the impeller into the pump volute, converting velocity into pressure. A cracked or worn diffuser disrupts this flow path, reducing pump efficiency and output. Confirm the part number molded or stamped on your