Watts 709DCDA-DOSY-GPM3/4 3 - Part of the 709DCDA Series roof-hatch-finder and blow-out proof stem

and blow-out proof stem

757DCDA Compatible Size Used On 8 IN Kit Contents Second Check Module

This 1 1/4-2 IN float repair kit for a pressure vacuum breaker series 800 prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage

and prolonged use in demanding surfaces

UPC - 098268576290

Watts 709DCDA-DOSY-GPM3/4 3 - Part of the 709DCDA Series roof-hatch-finder and blow-out proof stemThis 3 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection at cross connections identified as non health hazards such as on fire protection systems and from other contaminants found at the service line entrance. It