Sioux Chief 4" ABS Check Valve Backwater Device. This 4" ABS Check Valve Backwater Device is a genuine part manufactured by Sioux Chief. This Check Valve Backwater Device functions similar to a test tee. This Tee allows you to easily access, and control water from entering back into the system.
| Product: | Check & Anti Backflow |
| Manufacturer: | Sioux Chief |
| Use: | Drain Waste and Vent |
| Connection Type: | Glued |
| Mpn # | 869-4AS |
| Weight | 10.88 lbs. |
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