Pentair Packing Ring Set 2.75" x 3.25" | Berkeley | S13470 C4313 replace them as a matched

replace them as a matched pair using this kit

Replacing worn axle components during the same service visit avoids a repeat teardown

the standard dose can be used more often (i

Match the part number stamped or molded on your existing O-ring before ordering

Pentair Packing Ring Set 2.75" x 3.25" | Berkeley | S13470 C4313 replace them as a matchedOEM Replacement Packing Ring Set for Berkeley Impeller The Pentair S13470 is the OEM replacement packing ring set for Berkeley pump impellers, sized at 2. 75" x 3. 25". If your Berkeley pump is showing signs of seal wear or leakage at the impeller, this is the correct service part to restore proper operation. What It Does The packing ring set forms a compression seal around the impeller shaft, preventing water from bypassing the impeller and