Watts 757-BFG 4 - Part of the 757 Series ZC100F-8NH continuous drainage is critical

continuous drainage is critical

bonnet and bonnet O-ring

UPC - 098268162370

and the end outlet accommodates both 3″ sewer pipe and 4″ fittings—giving you versatile solutions for any project

21 GPM per linear ft

Watts 757-BFG 4 - Part of the 757 Series ZC100F-8NH continuous drainage is criticalThis 4 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 line