4" Hub, Total Knockout Closet Flange (TKO), One-Piece, SCH40 PVC

Sioux Chief

Brand: Sioux Chief

Mfr Part#: 886-4PT

Availability: In Stock
Usually ships: Today, if ordered by 3pm
Qty Price
$3.60 / each
x25 $85.50
(25 x $3.42 / each)
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Sioux Chief TKO (Total KnockOut) series PVC closet flanges feature an integrally molded cap which allows for DWV pressure testing and prevents debris from entering the drain during rough-in. 4" Hub connection accepts regular 4" PVC pipe (both sch. 40 and 80). One-piece PVC, solid construction.


  • TKO cap holds up to 5 floors (22PSI) test pressure;
  • Patented design prevents knockout from breaking apart and falling down drain line;
  • UPC listed;
  • Smooth inner walls without obstructions or ledges help prevent clogs;
  • Made in the USA;
  • Comforts to ASTM D2665.

Technical Specifications:

  • Connection: 4" Hub (accepts/fits over 4" Sch. 40 or 80 PVC pipe);
  • Material: 1-piece PVC body and flange;
  • Installation type: Solvent Weld (PVC glue);
  • For installation with: PVC pipe;
  • Overall Height: 2-1/8";
  • Flange Outer Diameter: 7";
  • Knockout diameter: 4-1/4";
  • Flange thickness (height): 7/16";
  • Screw center: 6".
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