Sub-Zero Classic Model Water Filter Part Number


  • Part number for the replacement water filter on Classic (BI)
  • Which water filter to order for BI Sub-Zero
  • What water filter does unit use?
  • CTO or color, taste, and odor water filter part number
  • What filter replaces filter part number 7000856 or 7000856E?
  • Water filter part number 7012975, 7023815, 7023816, 7005017
  • Is a filter with one prong or two prongs needed for a BI unit?
  • Water filter finder


To determine which filter is needed, enter the unit serial number into the Sub-Zero Water Filter Finder.

ProngsPart NumberNotes
14204490Twist-in style.

Microbiological filter. Original part may be labeled 7000856 or 7000856E.

This filter is no longer available. Use 7023812 for replacements.

*Use this filter to replace 7005017.


Color, taste, and odor only.

*Use this filter to replace 7009931.

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