Watts 757-QT 2 1/2 - Part of the 757 Series ZC100F-2NH it offers a choice between

it offers a choice between a natural black rubber side and a UV-resistant colored edge

UPC - 098268434835

Fixed 7¾″ top with heel-proof PVC grate offers reliable pedestrian traffic support

accessible maintenance points

configured with Buna elastomers

Watts 757-QT 2 1/2 - Part of the 757 Series ZC100F-2NH it offers a choice betweenThis 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