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. 3" Hub x 4" Inside connection accepts regular 3" PVC pipe (both sch. 40 and 80) or can be installed inside 4" (standard, sch. 40 only) PVC pipe. One-piece PVC, solid construction.

Features:
  • 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: 3" Hub (accepts/fits over 3" Sch. 40 or 80 PVC pipe) or 4" Inside Fit (fits inside 4" Sch. 40 PVC pipe)
  • Material: 1-piece PVC body and flange
  • Installation type: Solvent Weld (PVC glue)
  • For installation with: PVC pipe
  • Overall Height: 2-1/4"
  • Flange Outer Diameter: 7"
  • Knockout diameter: 3-1/2"
  • Flange thickness (height): 7/16"
  • Screw center: 6".
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