Pentair Diffuser Assembly | TR-40/50 Sand Filter | 154598 Vacuum Heads Refer to your Great White

Refer to your Great White cleaner's parts diagram to confirm all kit contents align with your service need before ordering

the impeller cannot be secured without it

Corrosion Resistant rail (*See below for salt water pools)

The Pentair 53004800Z is the OEM replacement washer for the V-clamp assembly used on Pentair filter and equipment connections

Pentair Diffuser Assembly | TR-40/50 Sand Filter | 154598 Vacuum Heads Refer to your Great WhiteThe Pentair Diffuser Assembly (154598) is the OEM replacement diffuser assembly for the Pentair TR 40 and TR 50 fiberglass sand filter series. What It Does The diffuser assembly directs the flow of water evenly across the filter sand bed, ensuring consistent filtration performance. A cracked, warped, or missing diffuser results in uneven water distribution through the media, reducing filtration efficiency and potentially allowing unfiltered water to