Pentair Diffuser | Max-E-Pro Series Inground Pump | C1-271P1Z C7456 Always replace the shaft seal

Always replace the shaft seal with the pump fully isolated from power and the system depressurised

and a hairline crack is easy to miss

scheduling

If you're servicing the cleaning head

verify the part number against your equipment's manual or the original part before ordering

Pentair Diffuser | Max-E-Pro Series Inground Pump | C1-271P1Z C7456 Always replace the shaft sealThe Pentair C1 271P1Z is the OEM replacement diffuser for the Max E Pro series inground pump. The diffuser channels water flow from the impeller into the pump's volute, converting velocity into pressure to maintain efficient hydraulic output. A cracked, worn, or incorrectly seated diffuser reduces pump performance and can cause cavitation replacing it with the correct OEM part restores designed flow characteristics. Match the part number stamped or