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.
- 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.
- 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".