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Pentair Purex SMBW 4000 Series 24, 36, 48 & 60 sq ft DE Filter Replacement Parts Diagram

Interactive parts diagram

22 parts · 2 with cheaper aftermarket options. Tap a number on the diagram, or search by part number.

– exploded view with numbered parts

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  1. Part
  2. Model
    • Part
    • Model
      • Not sold online Pentair washer, 5/16" I.D. x 3/4" O.D. 072173Call us and we'll get it for you.
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    • Model
      • Model
        • Not sold online Pentair O-ring 2113 (rotor) JV18Call us and we'll get it for you.
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        • Not sold online Pentair tank bottom, SM (no backwash valve; not used on SMBW) 197126Call us and we'll get it for you.
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        • Not sold online Pentair plug, PVC 2" (SM only) 071559Call us and we'll get it for you.
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        • Not sold online Pentair SMBW rotor handle, stainless 190026Call us and we'll get it for you.
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        • Not sold online Pentair backwash handle extension, brass 070971Call us and we'll get it for you.
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        • Not sold online Pentair handle stud bolt, stainless, 1/4"-20 x 1-3/4" 070979Call us and we'll get it for you.
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        • Not sold online Pentair lock washer, 1/4", stainless 072172Call us and we'll get it for you.
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      Don't see your part? Ask us and we'll find it.

      Also fits your Pentair Purex SMBW 4000 Series 24, 36, 48 & 60 sq ft DE Filter

      Not shown on the diagram, but made for this pump.

      Fit guide

      Which SMBW 4000 part fits your filter?

      Check the model on the tank label (for example SMBW 4024). Part numbers come from Pentair's SM & SMBW 4000 Series replacement parts list. Grid sets shown are Unicel replacements (8 grids).

      Filter grids by size

      Size parts for the 24 sq ft

      Center rod
      072870 21 in.
      Holding wheel
      071019Z
      Tank lid
      not listed separately

      Rotor seal: tapered vs straight

      Tapered seal marked legs; casting stamped “T”
      071720
      Rotor with tapered seal
      073370
      Straight seal no longer made
      071719