Watts 757-BFGXPIV 4 - Part of the 757 Series Woven Fabric 2 disc assemblies and 2

2 disc assemblies and 2 seat O-rings

It consists of Durafill (carbon glass filled PTFE) seat

The 1-gallon size is perfect for perennials

Specification Sheet - SS009

Watts 757-BFGXPIV 4 - Part of the 757 Series Woven Fabric 2 disc assemblies and 2This 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