Sioux Chief 869 series ProCheck backwater valves shall be used where necessary
in drainage systems. Backwater valve shall be installed in horizontal drainage lines
to reduce or prevent damage to dwelling from sewage backup. Backwater valve
shall have a stepped design to provide adequate fall through the valve body and
encourage fl ow. Flapper shall install into valve body via removable carrier, which
utilizes key-to-slot fi t to ensure proper alignment. Flapper shall have a permanent,
one-piece sealing surface, and allow unrestricted, unidirectional fl ow. Valve body
shall be sealed by an impact/solvent resistant lid with o-ring. Backwater valve
shall be adaptable to either shallow or deep-bury installations and be designed in
accordance with ASME A112.14.1-2003
Features:
- Threaded access seals hand-tight and allows for easy maintenance and inspection
- 6" backwater valve extensions – use 10" Sch. 40 pipe (not included)
- For GRAVITY FLOW applications only
- Do not install vertically
- UPC/IAPMO listed