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    Pentair Purex Seal for Backwash Valve Rotor, Tapered, 071720

    Item # ZPEN5088 Manuf.# 071720
    Now Only! $14.24 Was $14.99

      Item No.11 , 071720 Seal Backwash Valve Rotor, Tapered. Used on Pentair Purex SM & SMBW 4000 DE Filters Models 4024-4060. The Tapered rotor seal is indicated by a mark on the sides of the vertical legs, indicating direction of installation. Straight rotor seals are no longer in production, and will not seal within a tapered housing. Tapered seals also will not fit into the obsolete straight walled valve housing. To convert to a tapered valve housing, see pn 073370, Rotor and Seal Assy. 071720 can also be found on Purex DE filter parts pages

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