Watts 757-QT 4 - Part of the 757 Series detectable-warning-mat-finder 757DCDA Compatible Size Used On

757DCDA Compatible Size Used On 6 IN Kit Contents Check Module O-ring

UPC - 098268664461

The unit comes equipped with an adjustable rectangular nickel-bronze strainer

UPC - 098268331066

UPC - 098268164398

Watts 757-QT 4 - Part of the 757 Series detectable-warning-mat-finder 757DCDA Compatible Size Used OnThis 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