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4″ Hinged Back-flow Preventer


Out of stock

SKU: HingerBackFlowPrev/4" Category:


Rugged steel construction ensures longer life and helps keep drainage systems from flooding.

  • Designed for use on PVC, CMP, and corrugated plastic tubing.
  • Flap is galvanized 12 ga. mild steel.
  • Attachment bracket is steel with a durable powder coat finish.
  • Flap Gate does not have a gasket and is not watertight.
  • Flap should sit flush against the pipe, not the band, to ensure optimal performance.

Additional information

Weight 4 lbs
Dimensions 6 × 6 × 4 in