Watts 757-DOSY 4 - Part of the 757 Series R304 Detectable Warning Surfaces - Mesh Diameter: 7

- Mesh Diameter: 7

00 Maximum Operating Temperature-Fahrenheit 300 Maximum Working Pressure-BAR 14

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Specifications Kit Type Complete Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268459074

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Watts 757-DOSY 4 - Part of the 757 Series R304 Detectable Warning Surfaces - Mesh Diameter: 7This 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 backpressure and or backsiphonage in accordance with national plumbing codes and water authority requirements. It is ideal under continuous pressure service and protection at cross connections identified as non health hazards and from other non