Watts 757-BFG 2 1/2 - Part of the 757 Series ZA100F-2NH ZN400H-3NH

ZN400H-3NH

Robust cast iron body with corrosion-resistant finish

5 Inch thermostat length

or polished nickel bronze finishes to match surrounding flooring

4 IN no hub

Watts 757-BFG 2 1/2 - Part of the 757 Series ZA100F-2NH ZN400H-3NHThis 2 1 2 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service