Rugged steel construction ensures longer life and helps keep drainage systems from flooding.
4 in. Hinged Back-flow Preventer
- Designed for use on PVC, CMP, and corrugated plastic tubing.
- The flap is galvanized 12 ga. mild steel.
- The attachment bracket is steel with a durable powder coat finish.
- Flap Gate does not have a gasket and is not watertight.
- The flap should sit flush against the pipe, not the band, to ensure optimal performance.
We do not ship outside the 48 contiguous states.
Note: All orders ship within 7 days.