Zoeller - Full-Flow Unichecks
The Zoeller “Full-Flow” Unicheck features flexible neoprene slip x slip unions with all stainless steel clamps and screws. This saves installation time and is simple to install. No pipe threading required. Checks back flow of water and sewer gas and features an extra wide flapper hinge to prevent hinge stress. Can be installed in a vertical or horizontal line. Available in cast iron or PVC construction.