Response to Hello.  The Magnetek Century 1.5 HP Up Rate Motor model B2854 is a compatible replacement for the Jandy Plus HP model PHPM 1.5.  It is recommended that the motor shaft seal, backplate o-ring, and diffuser o-ring be replaced concurrent with the motor.   Jandy Pump Shaft Seal 5/8" - R0479400     Backplate O-Ring, Generic - R0446300 9-1/2" ID, 3/16" Cross Section O-521   Diffuser/Impeller Hardware - R0446500     Attached please find an exploded parts diagram for the Jandy Plus HP model PHPM Series Pool Pump.    Jandy PlusHP PHPM

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