Pentair Packing Ring Set 2.75" x 3.25" | Berkeley | S13470 C4313 Replacing worn axle components during

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

hard water

This O-ring seals the seal plate on the Dynamo pump

Brand Equipment Line Model / Part Number Notes Pentair MasterTemp 300 — MasterTemp Series 300NA Natural Gas model Pentair MasterTemp 300 — MasterTemp Series 300LP Liquid Propane model Pentair (formerly Sta-Rite) Max-E-Therm 333 — Max-E-Therm Series MAX-E-THERM-333-NA 333 Models (NA/LP Series) Pentair (formerly Sta-Rite) Max-E-Therm 333 — Max-E-Therm Series MAX-E-THERM-333-HD 333 Models (HD Series) Compatibility is based on Pentair parts documentation and available OEM records

Pentair Packing Ring Set 2.75" x 3.25" | Berkeley | S13470 C4313 Replacing worn axle components duringOEM 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