Response to Hello Jordan.  The Multiport Valve part number 272523 cross-references to a Pentair/Pac Fab Top Mount 1 1/2" Top Mount Multiport Valve.  Pentair - Pac Fab Top Mount 1 1/2"   The Diverter Gasket for the 272523 is not available as a separate item, it is factory attached to the Diverter.  Replacement Valve Diverter w/ Spider Gasket for Pentair™ - PL0742   A drop-in replacement Key Assembly would eliminate the necessity to disassemble/re-assemble the Top valve Assembly.  Replacement Top Valve Assembly For Pentair™ 272531 - PL0748    

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