Lead-free 4D-200 Defender™ units offer reduced pressure zone assembly, are sized from 2-1/2 to 10 inches, and fully conform to applicable performance standards.
The unique design of this spacer system allows plumbers to set toilet flanges to the finished floor height during the rough-in and prior to the installation of any flooring.
Zoeller Pump Co. introduced constant 200 degree rated high temperature full-flow check valves, with an epoxy powercoat finish for corrosion resistance.